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([213.139.62.222]) by smtp.gmail.com with ESMTPSA id k6-20020adfe3c6000000b003196e992567sm6236955wrm.115.2023.09.23.00.40.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Sep 2023 00:40:38 -0700 (PDT) From: Abdel Alkuor To: heikki.krogerus@linux.intel.com, krzysztof.kozlowski+dt@linaro.org, bryan.odonoghue@linaro.org Cc: gregkh@linuxfoundation.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, conor+dt@kernel.org, ryan.eleceng@gmail.com, Abdel Alkuor Subject: [PATCH v6 03/14] USB: typec: Add patch mode to tps6598x Date: Sat, 23 Sep 2023 03:39:48 -0400 Message-Id: <20230923073959.86660-4-alkuor@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230923073959.86660-1-alkuor@gmail.com> References: <20230923073959.86660-1-alkuor@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" TPS25750 has a patch mode indicating the device requires a configuration to get the device into operational mode Signed-off-by: Abdel Alkuor --- Changes in v6: - Return current mode and check it directly Changes in v5: - Incorporating tps25750 into tps6598x driver drivers/usb/typec/tipd/core.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index 32420c61660d..58679b1c0cfe 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -68,6 +68,7 @@ enum { TPS_MODE_BOOT, TPS_MODE_BIST, TPS_MODE_DISC, + TPS_MODE_PTCH, }; =20 static const char *const modes[] =3D { @@ -75,6 +76,7 @@ static const char *const modes[] =3D { [TPS_MODE_BOOT] =3D "BOOT", [TPS_MODE_BIST] =3D "BIST", [TPS_MODE_DISC] =3D "DISC", + [TPS_MODE_PTCH] =3D "PTCH", }; =20 /* Unrecognized commands will be replaced with "!CMD" */ @@ -593,12 +595,15 @@ static int tps6598x_check_mode(struct tps6598x *tps) if (ret) return ret; =20 - switch (match_string(modes, ARRAY_SIZE(modes), mode)) { + ret =3D match_string(modes, ARRAY_SIZE(modes), mode); + + switch (ret) { case TPS_MODE_APP: - return 0; + case TPS_MODE_PTCH: + return ret; case TPS_MODE_BOOT: dev_warn(tps->dev, "dead-battery condition\n"); - return 0; + return ret; case TPS_MODE_BIST: case TPS_MODE_DISC: default: @@ -765,7 +770,7 @@ static int tps6598x_probe(struct i2c_client *client) tps->irq_handler =3D irq_handler; /* Make sure the controller has application firmware running */ ret =3D tps6598x_check_mode(tps); - if (ret) + if (ret < 0) return ret; =20 ret =3D tps6598x_write64(tps, TPS_REG_INT_MASK1, mask1); --=20 2.34.1