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Wed, 14 May 2025 09:53:35 +0000 (GMT) X-AuditID: b6c32a52-41dfa70000004c16-ce-6824681f3306 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 68.55.19478.F1864286; Wed, 14 May 2025 18:53:35 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.126]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250514095335epsmtip18ba7a072d9f13ba0d6fb49eff0a3815c~-XBKNbQAH0078100781epsmtip1z; Wed, 14 May 2025 09:53:35 +0000 (GMT) From: Sangwook Shin To: krzk@kernel.org, alim.akhtar@samsung.com, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Sangwook Shin , Kyunghwan Seo Subject: [PATCH v2 1/5] watchdog: s3c2410_wdt: Replace hardcoded values with macro definitions Date: Wed, 14 May 2025 18:42:16 +0900 Message-Id: <20250514094220.1561378-2-sw617.shin@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250514094220.1561378-1-sw617.shin@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsWy7bCSnK58hkqGwd9LIhYP5m1js5jffonR 4vz5DewWmx5fY7W4vGsOm8WM8/uYLG6s28du8WThGSaLGYtPslk8fvmP2YHLY9OqTjaPlWvW sHpsXlLvsfN7A7tH35ZVjB6fN8kFsEVx2aSk5mSWpRbp2yVwZXQsbmEt+MZecfrmDsYGxsts XYycHBICJhJPLn9nB7GFBLYzSnw55dXFyAEUl5J498wSokRY4n7LEdYuRi6gkg+MEkdO/wDr ZRPQkZj+7zYLiC0iECdxrH0zM0gRs8AjRokr83qYQBLCQInpd44wg9gsAqoSW44tAmvmFbCV uLl6HgvEBnmJmZcgjuAUsJOY29LKBnKEEFBN03YPiHJBiZMzn4CVMwOVN2+dzTyBUWAWktQs JKkFjEyrGEVTC4pz03OTCwz1ihNzi0vz0vWS83M3MYIDXitoB+Oy9X/1DjEycTAeYpTgYFYS 4b2epZwhxJuSWFmVWpQfX1Sak1p8iFGag0VJnFc5pzNFSCA9sSQ1OzW1ILUIJsvEwSnVwCR0 33/vFJ7HE/wVzpqW8t0zKIv24056ru+1MHfvJ48HmxP4C67t6D/8SDzleUbVFcaWUIv3t89t nJYXc9K22ND+2tLrEw9UvPWK/75lzaTbx7qX/MxavlC2olXN72jTyu7d1/YmeAq/PXYg6+7Z +OfnXZaoTW/nbZzNIqBkqr/6glXubVnzwtlBy0WYffbN9alaMyMv6o+k4FqBaWnvgs+48/Wb ZCw0ODgrV+P0doUjm66smalhnhn7uTBE6g57S0L8qxctAuqL/KPmHGNcaLHLVMi/ZWpaiOeF r8XG5juiJjcf47Svupay1HxOY/oN1d5jv+4++5z9TaX05IKezNSrOwPU5u2cbMc0eWlh/Dcl luKMREMt5qLiRAC9p4jL5wIAAA== X-CMS-MailID: 20250514095335epcas2p139710b146aaf4709a0a7aafcabe2f7c7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P cpgsPolicy: CPGSC10-234,N X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250514095335epcas2p139710b146aaf4709a0a7aafcabe2f7c7 References: <20250514094220.1561378-1-sw617.shin@samsung.com> Modify the code to utilize macro-defined values instead of hardcoded values. The value 0x100 in the s3c2410wdt_set_heartbeat function represents S3C2410_WTCON_PRESCALE_MAX + 1, but it is hardcoded, making its meaning difficult to understand and reducing code readability. Signed-off-by: Sangwook Shin Signed-off-by: Kyunghwan Seo --- drivers/watchdog/s3c2410_wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index bdd81d8074b2..228f86d83663 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -555,7 +555,7 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_dev= ice *wdd, if (count >=3D 0x10000) { divisor =3D DIV_ROUND_UP(count, 0xffff); =20 - if (divisor > 0x100) { + if (divisor > S3C2410_WTCON_PRESCALE_MAX + 1) { dev_err(wdt->dev, "timeout %d too big\n", timeout); return -EINVAL; } --=20 2.40.1 From nobody Mon Feb 9 05:55:05 2026 Received: from mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 507E925FA0A for ; Wed, 14 May 2025 09:53:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Wed, 14 May 2025 09:53:38 +0000 (GMT) From: Sangwook Shin To: krzk@kernel.org, alim.akhtar@samsung.com, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Sangwook Shin , Kyunghwan Seo Subject: [PATCH v2 2/5] watchdog: s3c2410_wdt: Fix max_timeout being calculated larger Date: Wed, 14 May 2025 18:42:17 +0900 Message-Id: <20250514094220.1561378-3-sw617.shin@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250514094220.1561378-1-sw617.shin@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrBLMWRmVeSWpSXmKPExsWy7bCSnK5ShkqGwYyTVhYP5m1js5jffonR 4vz5DewWmx5fY7W4vGsOm8WM8/uYLG6s28du8WThGSaLGYtPslk8fvmP2YHLY9OqTjaPlWvW sHpsXlLvsfN7A7tH35ZVjB6fN8kFsEVx2aSk5mSWpRbp2yVwZexf2MlYsJ6rYulNpQbGJxxd jJwcEgImEo+Pr2DpYuTiEBLYzShxcft51i5GDqCElMS7Z5YQNcIS91uOsELUfGCUOHmwiRkk wSagIzH9320WEFtEIE7iWPtmZpAiZoFHjBJX5vUwgSSEBcIkDq45DmazCKhKLDx2gw3E5hWw ldjz7jYTxAZ5iZmXvrOD2JwCdhJzW1rZQI4QAqpp2u4BUS4ocXLmE7BdzEDlzVtnM09gFJiF JDULSWoBI9MqRsnUguLc9NxiwwLDvNRyveLE3OLSvHS95PzcTYzgwNfS3MG4fdUHvUOMTByM hxglOJiVRHivZylnCPGmJFZWpRblxxeV5qQWH2KU5mBREucVf9GbIiSQnliSmp2aWpBaBJNl 4uCUamCaZjvnoFH7hqWzal+JNj74vneDusH/tf21N38UJBxjTv0sc/yCY9/UDpnN5rN8WpeV JlWwqxkI8x37t9aRL85E8nH+rsTq2clMutc+GGuqPXav/bVi2Zp9lhsufjZvb353RvLcpyV1 E572iU7xfc7THPRKtTTjzo/7Qj2rz6z/uqaYb/oEiYVpvCc+7nX6LfPchbckxUOQ72J3ySyO nydyw1s3K/uotlQ9MJrF3KIzXyD7X2r7hzcpvYsZwoWYTCO+3CnIuLel6YvItiTVV7eXlt/x qt6j+0K+OP77KRaGp/EyXxg2vhXU5v4x/9fVkxG5d6p/71NX9WW1bv6wpHlawaaMcoGqlDWq ClqLMh8rsRRnJBpqMRcVJwIALDGlEOsCAAA= X-CMS-MailID: 20250514095339epcas2p1c0c174b1d2d5aba23899363d2fd5928a X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P cpgsPolicy: CPGSC10-234,N X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250514095339epcas2p1c0c174b1d2d5aba23899363d2fd5928a References: <20250514094220.1561378-1-sw617.shin@samsung.com> Fix the issue of max_timeout being calculated larger than actual value. The calculation result of freq / (S3C2410_WTCON_PRESCALE_MAX + 1) / S3C2410_WTCON_MAXDIV is smaller than the actual value because the remainder is discarded during the calculation process. This leads to a larger calculated value for max_timeout compared to the actual settable value. A ceiling operation is applied in the calculation process to resolve this. Signed-off-by: Sangwook Shin Signed-off-by: Kyunghwan Seo --- drivers/watchdog/s3c2410_wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 228f86d83663..c6166d927155 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -379,8 +379,8 @@ static inline unsigned int s3c2410wdt_max_timeout(struc= t s3c2410_wdt *wdt) { const unsigned long freq =3D s3c2410wdt_get_freq(wdt); =20 - return S3C2410_WTCNT_MAXCNT / (freq / (S3C2410_WTCON_PRESCALE_MAX + 1) - / S3C2410_WTCON_MAXDIV); + return S3C2410_WTCNT_MAXCNT / DIV_ROUND_UP(freq, + (S3C2410_WTCON_PRESCALE_MAX + 1) * S3C2410_WTCON_MAXDIV); } =20 static int s3c2410wdt_disable_wdt_reset(struct s3c2410_wdt *wdt, bool mask) --=20 2.40.1 From nobody Mon Feb 9 05:55:05 2026 Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A9B325DAE1 for ; 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Wed, 14 May 2025 09:53:39 +0000 (GMT) From: Sangwook Shin To: krzk@kernel.org, alim.akhtar@samsung.com, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Sangwook Shin , Kyunghwan Seo Subject: [PATCH v2 3/5] watchdog: s3c2410_wdt: Increase max timeout value of watchdog Date: Wed, 14 May 2025 18:42:18 +0900 Message-Id: <20250514094220.1561378-4-sw617.shin@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250514094220.1561378-1-sw617.shin@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJLMWRmVeSWpSXmKPExsWy7bCSnK5KhkqGwcnVbBYP5m1js5jffonR 4vz5DewWmx5fY7W4vGsOm8WM8/uYLG6s28du8WThGSaLGYtPslk8fvmP2YHLY9OqTjaPlWvW sHpsXlLvsfN7A7tH35ZVjB6fN8kFsEVx2aSk5mSWpRbp2yVwZXxqv8xYcF+l4vjkRsYGxity XYycHBICJhKPdy9g62Lk4hAS2M0o8f3eWfYuRg6ghJTEu2eWEDXCEvdbjrBC1HxglPi4aj4r SIJNQEdi+r/bLCC2iECcxLH2zcwgRcwCjxglrszrYQJJCAuESnx+c54dxGYRUJX4MXMtWJxX wFZi/pxudogN8hIzL30HszkF7CTmtrSygRwhBFTTtN0DolxQ4uTMJ2C7mIHKm7fOZp7AKDAL SWoWktQCRqZVjJKpBcW56bnFhgWGeanlesWJucWleel6yfm5mxjBoa+luYNx+6oPeocYmTgY DzFKcDArifBez1LOEOJNSaysSi3Kjy8qzUktPsQozcGiJM4r/qI3RUggPbEkNTs1tSC1CCbL xMEp1cC0U2rHsWSjNU1LH6kG336/Y2mI9DV2FwXFBucFO1x/aP1+ue343HVhEy0EhEo+JliE brT4tLNrgZKccU7Rnor6aPMiMV2p2PbLM1V+GUq4qLy8Fa3PN9fwW9bSqYsc9h88tu4xk3La 59rgOwefXTttH8RxZH9M+s5pAev+/lFLZWq259xwarmsX2TAtXlNcrkvEjTCWibXhx9dZPLf J0Zz2te+S/nrDtg22r17scO/a8PcNUUnu5u9e5TPZ+3/0eLUynu5TDBo5YSXv5xZRN76fS/8 78nxpORLwrZH12bp3Mt74/rhe4uUj7rJo6l9cZ6+rsFHNT6bb4jlsXV4vbckt/vGEdbtnFds y/qeCxopsRRnJBpqMRcVJwIADso1IewCAAA= X-CMS-MailID: 20250514095340epcas2p2c58454d8e0e27f46d5a71475f22e614e X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P cpgsPolicy: CPGSC10-234,N X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250514095340epcas2p2c58454d8e0e27f46d5a71475f22e614e References: <20250514094220.1561378-1-sw617.shin@samsung.com> Increase max_timeout value from 55s to 3664647s (1017h 57min 27s) with 38400000 frequency system if the system has 32-bit WTCNT register. cat /sys/devices/platform/10060000.watchdog_cl0/watchdog/watchdog0/max_time= out 3664647 [ 0.302473] s3c2410-wdt 10060000.watchdog_cl0: Heartbeat: count=3D109939= 4100000, timeout=3D3664647, freq=3D300000 [ 0.302479] s3c2410-wdt 10060000.watchdog_cl0: Heartbeat: timeout=3D3664= 647, divisor=3D256, count=3D1099394100000 (fff8feac) [ 0.302510] s3c2410-wdt 10060000.watchdog_cl0: starting watchdog timer [ 0.302722] s3c2410-wdt 10060000.watchdog_cl0: watchdog active, reset en= abled, irq disabled If system has 32-bit WTCNT, add QUIRK_HAS_32BIT_MAXCNT to its quirk flags, = then it will operation with 32-bit counter. If not, with 16-bit counter like pre= vious. Signed-off-by: Sangwook Shin Signed-off-by: Kyunghwan Seo --- drivers/watchdog/s3c2410_wdt.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index c6166d927155..1c7299deec5d 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -34,6 +34,7 @@ #define S3C2410_WTCLRINT 0x0c =20 #define S3C2410_WTCNT_MAXCNT 0xffff +#define S3C2410_WTCNT_MAXCNT_32 0xffffffff =20 #define S3C2410_WTCON_RSTEN BIT(0) #define S3C2410_WTCON_INTEN BIT(2) @@ -119,6 +120,10 @@ * %QUIRK_HAS_DBGACK_BIT: WTCON register has DBGACK_MASK bit. Setting the * DBGACK_MASK bit disables the watchdog outputs when the SoC is in debug = mode. * Debug mode is determined by the DBGACK CPU signal. + * + * %QUIRK_HAS_32BIT_MAXCNT: WTDAT and WTCNT are 32-bit registers. With the= se + * 32-bit registers, larger values to be set, which means that larger time= outs + * value can be set. */ #define QUIRK_HAS_WTCLRINT_REG BIT(0) #define QUIRK_HAS_PMU_MASK_RESET BIT(1) @@ -126,6 +131,7 @@ #define QUIRK_HAS_PMU_AUTO_DISABLE BIT(3) #define QUIRK_HAS_PMU_CNT_EN BIT(4) #define QUIRK_HAS_DBGACK_BIT BIT(5) +#define QUIRK_HAS_32BIT_MAXCNT BIT(6) =20 /* These quirks require that we have a PMU register map */ #define QUIRKS_HAVE_PMUREG \ @@ -194,6 +200,7 @@ struct s3c2410_wdt { struct notifier_block freq_transition; const struct s3c2410_wdt_variant *drv_data; struct regmap *pmureg; + unsigned int max_cnt; }; =20 static const struct s3c2410_wdt_variant drv_data_s3c2410 =3D { @@ -379,7 +386,7 @@ static inline unsigned int s3c2410wdt_max_timeout(struc= t s3c2410_wdt *wdt) { const unsigned long freq =3D s3c2410wdt_get_freq(wdt); =20 - return S3C2410_WTCNT_MAXCNT / DIV_ROUND_UP(freq, + return wdt->max_cnt / DIV_ROUND_UP(freq, (S3C2410_WTCON_PRESCALE_MAX + 1) * S3C2410_WTCON_MAXDIV); } =20 @@ -534,7 +541,7 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_dev= ice *wdd, { struct s3c2410_wdt *wdt =3D watchdog_get_drvdata(wdd); unsigned long freq =3D s3c2410wdt_get_freq(wdt); - unsigned int count; + unsigned long count; unsigned int divisor =3D 1; unsigned long wtcon; =20 @@ -544,7 +551,7 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_dev= ice *wdd, freq =3D DIV_ROUND_UP(freq, 128); count =3D timeout * freq; =20 - dev_dbg(wdt->dev, "Heartbeat: count=3D%d, timeout=3D%d, freq=3D%lu\n", + dev_dbg(wdt->dev, "Heartbeat: count=3D%lu, timeout=3D%d, freq=3D%lu\n", count, timeout, freq); =20 /* if the count is bigger than the watchdog register, @@ -552,8 +559,8 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_dev= ice *wdd, actually make this value */ =20 - if (count >=3D 0x10000) { - divisor =3D DIV_ROUND_UP(count, 0xffff); + if (count > wdt->max_cnt) { + divisor =3D DIV_ROUND_UP(count, wdt->max_cnt); =20 if (divisor > S3C2410_WTCON_PRESCALE_MAX + 1) { dev_err(wdt->dev, "timeout %d too big\n", timeout); @@ -561,7 +568,7 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_dev= ice *wdd, } } =20 - dev_dbg(wdt->dev, "Heartbeat: timeout=3D%d, divisor=3D%d, count=3D%d (%08= x)\n", + dev_dbg(wdt->dev, "Heartbeat: timeout=3D%d, divisor=3D%d, count=3D%lu (%0= 8lx)\n", timeout, divisor, count, DIV_ROUND_UP(count, divisor)); =20 count =3D DIV_ROUND_UP(count, divisor); @@ -764,6 +771,10 @@ static int s3c2410wdt_probe(struct platform_device *pd= ev) if (IS_ERR(wdt->src_clk)) return dev_err_probe(dev, PTR_ERR(wdt->src_clk), "failed to get source c= lock\n"); =20 + wdt->max_cnt =3D S3C2410_WTCNT_MAXCNT; + if ((wdt->drv_data->quirks & QUIRK_HAS_32BIT_MAXCNT)) + wdt->max_cnt =3D S3C2410_WTCNT_MAXCNT_32; + wdt->wdt_device.min_timeout =3D 1; wdt->wdt_device.max_timeout =3D s3c2410wdt_max_timeout(wdt); =20 --=20 2.40.1 From nobody Mon Feb 9 05:55:05 2026 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89B7D25DD09 for ; 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Wed, 14 May 2025 09:53:40 +0000 (GMT) From: Sangwook Shin To: krzk@kernel.org, alim.akhtar@samsung.com, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Sangwook Shin , Kyunghwan Seo Subject: [PATCH v2 4/5] watchdog: s3c2410_wdt: exynosautov920: Enable QUIRK_HAS_32BIT_MAXCNT Date: Wed, 14 May 2025 18:42:19 +0900 Message-Id: <20250514094220.1561378-5-sw617.shin@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250514094220.1561378-1-sw617.shin@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrBLMWRmVeSWpSXmKPExsWy7bCSnK5qhkqGwerFzBYP5m1js5jffonR 4vz5DewWmx5fY7W4vGsOm8WM8/uYLG6s28du8WThGSaLGYtPslk8fvmP2YHLY9OqTjaPlWvW sHpsXlLvsfN7A7tH35ZVjB6fN8kFsEVx2aSk5mSWpRbp2yVwZTQuOste8IOzYurTa6wNjFs5 uhg5OSQETCTuX1vC1MXIxSEksJtR4k/zU5YuRg6ghJTEu2eWEDXCEvdbjrCC2EICHxglLs6p B7HZBHQkpv+7zQJiiwjESRxr38wMModZ4BGjxJV5PUwgCWGBGInGCZfAbBYBVYmfn56wgdi8 ArYSV6Z9ZYJYIC8x89J3dhCbU8BOYm5LKxvIDUJANU3bPSDKBSVOznwCtosZqLx562zmCYwC s5CkZiFJLWBkWsUomVpQnJuem2xYYJiXWq5XnJhbXJqXrpecn7uJERz4Who7GN99a9I/xMjE wXiIUYKDWUmE93qWcoYQb0piZVVqUX58UWlOavEhRmkOFiVx3pWGEelCAumJJanZqakFqUUw WSYOTqkGJudvG2cdMmZmdWpwPOP7mXWP7gNNgz+3p+kVzvnMu/8Z58PO+AJ7P4MEU6abGeZ6 n87Ku+3s2KEurzhRUDJE1amslPul/4XyMONZqvLuLmIsaZuOtD01Z4kP+XPO55tmUdzbyV9e 7996SuawlKrys1OT7dnW806zvK7iJiL8iG+P40mNBd9XFQnLq02+sia3SHTu67KX5UIh0uvm rFCqs6jpFvBf/EAvhSW5cP7EoIyLtkk3uR88OaD2elmspssX51xpZp95RVHVMrd7391278qy rNv5X8BWM8Pu5Jvtib/2uzyIlGteVyf8SsTXKrbIQav/lWBOS8v5+CnPVMQqPgsc6dro3WX+ 4NiiziAlluKMREMt5qLiRADbeOu/6wIAAA== X-CMS-MailID: 20250514095341epcas2p4f4bb6da7fa61f19610e63ee605eea94c X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P cpgsPolicy: CPGSC10-234,N X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250514095341epcas2p4f4bb6da7fa61f19610e63ee605eea94c References: <20250514094220.1561378-1-sw617.shin@samsung.com> Enable QUIRK_HAS_32BIT_MAXCNT to ExynosAutov920 SoC which has 32-bit WTCNT. Signed-off-by: Sangwook Shin Signed-off-by: Kyunghwan Seo --- drivers/watchdog/s3c2410_wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 1c7299deec5d..3c12a3ae50f8 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -326,7 +326,7 @@ static const struct s3c2410_wdt_variant drv_data_exynos= autov920_cl0 =3D { .cnt_en_bit =3D 8, .quirks =3D QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET | QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN | - QUIRK_HAS_DBGACK_BIT, + QUIRK_HAS_DBGACK_BIT | QUIRK_HAS_32BIT_MAXCNT, }; =20 static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl1 =3D { @@ -339,7 +339,7 @@ static const struct s3c2410_wdt_variant drv_data_exynos= autov920_cl1 =3D { .cnt_en_bit =3D 8, .quirks =3D QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET | QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN | - QUIRK_HAS_DBGACK_BIT, + QUIRK_HAS_DBGACK_BIT | QUIRK_HAS_32BIT_MAXCNT, }; =20 static const struct of_device_id s3c2410_wdt_match[] =3D { --=20 2.40.1 From nobody Mon Feb 9 05:55:05 2026 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7742925E453 for ; Wed, 14 May 2025 09:53:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747216427; cv=none; b=UVRjNJQ/XNWKGdwUWwAcMQTwsE2K9iA1Yd40pA0vy5xHJkfljOjLrHYRavui4gX9p3Mmsgx2jBs/m6yAMS/cGGkUD4IlxlyjPIqSIE+zS7TTts33NdfDf7c2fnplkhkylfROq7Q8OgaAD37Ral8PGRA0z6dt1LfrM4URRnRfhII= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747216427; c=relaxed/simple; bh=622+LtoyH7U4bpu0gZpm1wzigDBNma3B5KPFSwSgLl8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:MIME-Version: Content-Type:References; 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Wed, 14 May 2025 09:53:41 +0000 (GMT) X-AuditID: b6c32a52-41dfa70000004c16-da-68246825082b Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id B9.55.19478.52864286; Wed, 14 May 2025 18:53:41 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.126]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250514095341epsmtip16e419ee7529645ed800122dee606b8f0~-XBQYfbc43083530835epsmtip1Q; Wed, 14 May 2025 09:53:41 +0000 (GMT) From: Sangwook Shin To: krzk@kernel.org, alim.akhtar@samsung.com, wim@linux-watchdog.org, linux@roeck-us.net Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Sangwook Shin , Kyunghwan Seo Subject: [PATCH v2 5/5] watchdog: s3c2410_wdt: exynosautov9: Enable supported features Date: Wed, 14 May 2025 18:42:20 +0900 Message-Id: <20250514094220.1561378-6-sw617.shin@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250514094220.1561378-1-sw617.shin@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsWy7bCSnK5qhkqGwcUvFhYP5m1js5jffonR 4vz5DewWmx5fY7W4vGsOm8WM8/uYLG6s28du8WThGSaLGYtPslk8fvmP2YHLY9OqTjaPlWvW sHpsXlLvsfN7A7tH35ZVjB6fN8kFsEVx2aSk5mSWpRbp2yVwZcxcsp+5YCl3xeVVdg2MFzm7 GDk5JARMJNrP/2fvYuTiEBLYzijx42AzaxcjB1BCSuLdM0uIGmGJ+y1HWCFqPjBKTNzwnwUk wSagIzH9320wW0QgTuJY+2ZmkCJmgUeMElfm9TCBJIQFwiR6v+5gA7FZBFQlWs6sAovzCthK 9Ow4xQixQV5i5qXv7CA2p4CdxNyWVjaQI4SAapq2e0CUC0qcnPkEbBczUHnz1tnMExgFZiFJ zUKSWsDItIpRNLWgODc9N7nAUK84Mbe4NC9dLzk/dxMjOOC1gnYwLlv/V+8QIxMH4yFGCQ5m JRHe61nKGUK8KYmVValF+fFFpTmpxYcYpTlYlMR5lXM6U4QE0hNLUrNTUwtSi2CyTBycUg1M OQ9ebZu/7MeX7QvCo77LvNzxwb2c/VP3m6cZEterUx4GLJqw6GHT4r8XLmZ/63q3qpG9wPR/ 4mfhJV6hV5acCzi7PGrP79KnK/jOGbzc8eRWh9O6BKt8if+hzmU32RUu3n79dVJCiwjHp9gE MeYmKWvGFwzulq7nCz/w7UhX+1z/R8NV78WRdT9WZRZFXLfSf3Gv4seO2qstd9/Ihc29HtQV r/zisnq/lEFsrKd+/bw40fyo1uUP5k39fpDlo8NzmeArSYZ9Ei68mk1l1pVtmQwbXv1VFH5w 6eQp+y+bV39y0TTrM7i6+kH/uy0x88xkglslDrgwb+zitZvqtcG6Ztmd+ud7TdbrmBo48E1s UmIpzkg01GIuKk4EAO3sg/fnAgAA X-CMS-MailID: 20250514095342epcas2p366f8abb441850d4b503926425082f2e7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P cpgsPolicy: CPGSC10-234,N X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250514095342epcas2p366f8abb441850d4b503926425082f2e7 References: <20250514094220.1561378-1-sw617.shin@samsung.com> Enable supported features for ExynosAutov9 SoC. - QUIRK_HAS_DBGACK_BIT - QUIRK_HAS_32BIT_MAXCNT Signed-off-by: Sangwook Shin Signed-off-by: Kyunghwan Seo --- drivers/watchdog/s3c2410_wdt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 3c12a3ae50f8..bbc1d9916f67 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -275,7 +275,8 @@ static const struct s3c2410_wdt_variant drv_data_exynos= autov9_cl0 =3D { .cnt_en_reg =3D EXYNOS850_CLUSTER0_NONCPU_OUT, .cnt_en_bit =3D 7, .quirks =3D QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET | - QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN, + QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN | + QUIRK_HAS_DBGACK_BIT | QUIRK_HAS_32BIT_MAXCNT, }; =20 static const struct s3c2410_wdt_variant drv_data_exynosautov9_cl1 =3D { @@ -287,7 +288,8 @@ static const struct s3c2410_wdt_variant drv_data_exynos= autov9_cl1 =3D { .cnt_en_reg =3D EXYNOSAUTOV9_CLUSTER1_NONCPU_OUT, .cnt_en_bit =3D 7, .quirks =3D QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET | - QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN, + QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN | + QUIRK_HAS_DBGACK_BIT | QUIRK_HAS_32BIT_MAXCNT, }; =20 static const struct s3c2410_wdt_variant drv_data_gs101_cl0 =3D { --=20 2.40.1