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Fri, 06 Sep 2024 06:29:19 -0700 (PDT) From: Guenter Roeck To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Guenter Roeck Subject: [PATCH 1/3] tmp105: Coding style fixes Date: Fri, 6 Sep 2024 06:29:10 -0700 Message-ID: <20240906132912.3826089-2-linux@roeck-us.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240906132912.3826089-1-linux@roeck-us.net> References: <20240906132912.3826089-1-linux@roeck-us.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=groeck7@gmail.com; helo=mail-pf1-x42f.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1725629403729116600 Content-Type: text/plain; charset="utf-8" Coding style asks for no space between variable and "++". The next patch in this series will change one of those assignments. Instead of changing just one with that patch, change all of them for consistency. While at it, also fix other coding style problems reported by checkpatch. Signed-off-by: Guenter Roeck Reviewed-by: C=C3=A9dric Le Goater --- hw/sensor/tmp105.c | 40 +++++++++++++++++++++------------------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/hw/sensor/tmp105.c b/hw/sensor/tmp105.c index a8730d0b7f..77fbf2f8d3 100644 --- a/hw/sensor/tmp105.c +++ b/hw/sensor/tmp105.c @@ -29,16 +29,17 @@ =20 static void tmp105_interrupt_update(TMP105State *s) { - qemu_set_irq(s->pin, s->alarm ^ ((~s->config >> 2) & 1)); /* POL */ + qemu_set_irq(s->pin, s->alarm ^ ((~s->config >> 2) & 1)); /* POL */ } =20 static void tmp105_alarm_update(TMP105State *s) { - if ((s->config >> 0) & 1) { /* SD */ - if ((s->config >> 7) & 1) /* OS */ - s->config &=3D ~(1 << 7); /* OS */ - else + if ((s->config >> 0) & 1) { /* SD */ + if ((s->config >> 7) & 1) { /* OS */ + s->config &=3D ~(1 << 7); /* OS */ + } else { return; + } } =20 if (s->config >> 1 & 1) { @@ -89,7 +90,8 @@ static void tmp105_get_temperature(Object *obj, Visitor *= v, const char *name, visit_type_int(v, name, &value, errp); } =20 -/* Units are 0.001 centigrades relative to 0 C. s->temperature is 8.8 +/* + * Units are 0.001 centigrades relative to 0 C. s->temperature is 8.8 * fixed point, so units are 1/256 centigrades. A simple ratio will do. */ static void tmp105_set_temperature(Object *obj, Visitor *v, const char *na= me, @@ -118,30 +120,30 @@ static void tmp105_read(TMP105State *s) { s->len =3D 0; =20 - if ((s->config >> 1) & 1) { /* TM */ + if ((s->config >> 1) & 1) { /* TM */ s->alarm =3D 0; tmp105_interrupt_update(s); } =20 switch (s->pointer & 3) { case TMP105_REG_TEMPERATURE: - s->buf[s->len ++] =3D (((uint16_t) s->temperature) >> 8); - s->buf[s->len ++] =3D (((uint16_t) s->temperature) >> 0) & - (0xf0 << ((~s->config >> 5) & 3)); /* R */ + s->buf[s->len++] =3D (((uint16_t) s->temperature) >> 8); + s->buf[s->len++] =3D (((uint16_t) s->temperature) >> 0) & + (0xf0 << ((~s->config >> 5) & 3)); /* R */ break; =20 case TMP105_REG_CONFIG: - s->buf[s->len ++] =3D s->config; + s->buf[s->len++] =3D s->config; break; =20 case TMP105_REG_T_LOW: - s->buf[s->len ++] =3D ((uint16_t) s->limit[0]) >> 8; - s->buf[s->len ++] =3D ((uint16_t) s->limit[0]) >> 0; + s->buf[s->len++] =3D ((uint16_t) s->limit[0]) >> 8; + s->buf[s->len++] =3D ((uint16_t) s->limit[0]) >> 0; break; =20 case TMP105_REG_T_HIGH: - s->buf[s->len ++] =3D ((uint16_t) s->limit[1]) >> 8; - s->buf[s->len ++] =3D ((uint16_t) s->limit[1]) >> 0; + s->buf[s->len++] =3D ((uint16_t) s->limit[1]) >> 8; + s->buf[s->len++] =3D ((uint16_t) s->limit[1]) >> 0; break; } } @@ -153,10 +155,10 @@ static void tmp105_write(TMP105State *s) break; =20 case TMP105_REG_CONFIG: - if (s->buf[0] & ~s->config & (1 << 0)) /* SD */ + if (s->buf[0] & ~s->config & (1 << 0)) /* SD */ printf("%s: TMP105 shutdown\n", __func__); s->config =3D s->buf[0]; - s->faults =3D tmp105_faultq[(s->config >> 3) & 3]; /* F */ + s->faults =3D tmp105_faultq[(s->config >> 3) & 3]; /* F */ tmp105_alarm_update(s); break; =20 @@ -175,7 +177,7 @@ static uint8_t tmp105_rx(I2CSlave *i2c) TMP105State *s =3D TMP105(i2c); =20 if (s->len < 2) { - return s->buf[s->len ++]; + return s->buf[s->len++]; } else { return 0xff; } @@ -215,7 +217,7 @@ static int tmp105_post_load(void *opaque, int version_i= d) { TMP105State *s =3D opaque; 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Fri, 06 Sep 2024 06:29:20 -0700 (PDT) From: Guenter Roeck To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Guenter Roeck Subject: [PATCH 2/3] tmp105: OS (one-shot) bit in configuration register always returns 0 Date: Fri, 6 Sep 2024 06:29:11 -0700 Message-ID: <20240906132912.3826089-3-linux@roeck-us.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240906132912.3826089-1-linux@roeck-us.net> References: <20240906132912.3826089-1-linux@roeck-us.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=groeck7@gmail.com; helo=mail-pf1-x432.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1725629475529116600 Content-Type: text/plain; charset="utf-8" Per datasheet, "ONE-SHOT (OS)", the OS bit always returns 0 when reading the configuration register. Signed-off-by: Guenter Roeck Reviewed-by: C=C3=A9dric Le Goater --- hw/sensor/tmp105.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/sensor/tmp105.c b/hw/sensor/tmp105.c index 77fbf2f8d3..22728798f7 100644 --- a/hw/sensor/tmp105.c +++ b/hw/sensor/tmp105.c @@ -133,7 +133,7 @@ static void tmp105_read(TMP105State *s) break; =20 case TMP105_REG_CONFIG: - s->buf[s->len++] =3D s->config; + s->buf[s->len++] =3D s->config & 0x7f; break; =20 case TMP105_REG_T_LOW: --=20 2.45.2 From nobody Sun Nov 24 05:22:49 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1725629517644227.79841783056304; Fri, 6 Sep 2024 06:31:57 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smZ1t-0004IT-7j; 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Fri, 06 Sep 2024 06:29:23 -0700 (PDT) From: Guenter Roeck To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Guenter Roeck Subject: [PATCH 3/3] tmp105: Lower 4 bit of limit registers are always 0 Date: Fri, 6 Sep 2024 06:29:12 -0700 Message-ID: <20240906132912.3826089-4-linux@roeck-us.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240906132912.3826089-1-linux@roeck-us.net> References: <20240906132912.3826089-1-linux@roeck-us.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102e; envelope-from=groeck7@gmail.com; helo=mail-pj1-x102e.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1725629520036116600 Content-Type: text/plain; charset="utf-8" Per datasheet, "HIGH AND LOW LIMIT REGISTERS", the lower 4 bit of the limit registers are unused and always report 0. The lower 4 bit should not be used for temperature comparisons, so mask the unused bits before storing the limits. Signed-off-by: Guenter Roeck Reviewed-by: C=C3=A9dric Le Goater --- hw/sensor/tmp105.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/sensor/tmp105.c b/hw/sensor/tmp105.c index 22728798f7..5fd30f8d50 100644 --- a/hw/sensor/tmp105.c +++ b/hw/sensor/tmp105.c @@ -166,7 +166,7 @@ static void tmp105_write(TMP105State *s) case TMP105_REG_T_HIGH: if (s->len >=3D 3) s->limit[s->pointer & 1] =3D (int16_t) - ((((uint16_t) s->buf[0]) << 8) | s->buf[1]); + ((((uint16_t) s->buf[0]) << 8) | (s->buf[1] & 0xf0)); tmp105_alarm_update(s); break; } --=20 2.45.2