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Wed, 10 Apr 2024 19:16:46 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.79]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4BB3B44434D; Wed, 10 Apr 2024 19:16:45 +0000 (UTC) From: Hans de Goede To: Adrian Hunter , Ulf Hansson Cc: Hans de Goede , Andy Shevchenko , Mika Westerberg , linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 1/6] mmc: core: Add mmc_gpiod_set_cd_config() function Date: Wed, 10 Apr 2024 21:16:34 +0200 Message-ID: <20240410191639.526324-2-hdegoede@redhat.com> In-Reply-To: <20240410191639.526324-1-hdegoede@redhat.com> References: <20240410191639.526324-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Some mmc host drivers may need to fixup a card-detection GPIO's config to e.g. enable the GPIO controllers builtin pull-up resistor on devices where the firmware description of the GPIO is broken (e.g. GpioInt with PullNone instead of PullUp in ACPI DSDT). Since this is the exception rather then the rule adding a config parameter to mmc_gpiod_request_cd() seems undesirable, so instead add a new mmc_gpiod_set_cd_config() function. This is simply a wrapper to call gpiod_set_config() on the card-detect GPIO acquired through mmc_gpiod_request_cd(). Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede --- Changes in v2: - Group mmc_gpiod_set_cd_config() prototype in slot-gpio.h together with mmc_gpiod_set_cd_config() --- drivers/mmc/core/slot-gpio.c | 20 ++++++++++++++++++++ include/linux/mmc/slot-gpio.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c index 39f45c2b6de8..8791656e9e20 100644 --- a/drivers/mmc/core/slot-gpio.c +++ b/drivers/mmc/core/slot-gpio.c @@ -221,6 +221,26 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, } EXPORT_SYMBOL(mmc_gpiod_request_cd); +/** + * mmc_gpiod_set_cd_config - set config for card-detection GPIO + * @host: mmc host + * @config: Generic pinconf config (from pinconf_to_config_packed()) + * + * This can be used by mmc host drivers to fixup a card-detection GPIO's config + * (e.g. set PIN_CONFIG_BIAS_PULL_UP) after acquiring the GPIO descriptor + * through mmc_gpiod_request_cd(). + * + * Returns: + * 0 on success, or a negative errno value on error. + */ +int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config) +{ + struct mmc_gpio *ctx = host->slot.handler_priv; + + return gpiod_set_config(ctx->cd_gpio, config); +} +EXPORT_SYMBOL(mmc_gpiod_set_cd_config); + bool mmc_can_gpio_cd(struct mmc_host *host) { struct mmc_gpio *ctx = host->slot.handler_priv; diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h index 5d3d15e97868..66272fdce43d 100644 --- a/include/linux/mmc/slot-gpio.h +++ b/include/linux/mmc/slot-gpio.h @@ -21,6 +21,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, unsigned int debounce); int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, unsigned int idx, unsigned int debounce); +int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config); void mmc_gpio_set_cd_isr(struct mmc_host *host, irqreturn_t (*isr)(int irq, void *dev_id)); int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on); From patchwork Wed Apr 10 19:16:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 1922214 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Wed, 10 Apr 2024 19:16:46 +0000 (UTC) From: Hans de Goede To: Adrian Hunter , Ulf Hansson Cc: Hans de Goede , Andy Shevchenko , Mika Westerberg , linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 2/6] mmc: sdhci: Add support for "Tuning Error" interrupts Date: Wed, 10 Apr 2024 21:16:35 +0200 Message-ID: <20240410191639.526324-3-hdegoede@redhat.com> In-Reply-To: <20240410191639.526324-1-hdegoede@redhat.com> References: <20240410191639.526324-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 From: Adrian Hunter Most Bay Trail devices do not enable UHS modes for the external sdcard slot the Lenovo Yoga Tablet 2 830 / 1050 and Lenovo Yoga Tablet 2 Pro 1380 (8", 10" and 13") models however do enable this. Using a UHS cards in these tablets results in errors like this one: [ 225.272001] mmc2: Unexpected interrupt 0x04000000. [ 225.272024] mmc2: sdhci: ============ SDHCI REGISTER DUMP =========== [ 225.272034] mmc2: sdhci: Sys addr: 0x0712c400 | Version: 0x0000b502 [ 225.272044] mmc2: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000007 [ 225.272054] mmc2: sdhci: Argument: 0x00000000 | Trn mode: 0x00000023 [ 225.272064] mmc2: sdhci: Present: 0x01e20002 | Host ctl: 0x00000016 [ 225.272073] mmc2: sdhci: Power: 0x0000000f | Blk gap: 0x00000000 [ 225.272082] mmc2: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107 [ 225.272092] mmc2: sdhci: Timeout: 0x0000000e | Int stat: 0x00000001 [ 225.272101] mmc2: sdhci: Int enab: 0x03ff000b | Sig enab: 0x03ff000b [ 225.272110] mmc2: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000001 [ 225.272119] mmc2: sdhci: Caps: 0x076864b2 | Caps_1: 0x00000004 [ 225.272129] mmc2: sdhci: Cmd: 0x00000c1b | Max curr: 0x00000000 [ 225.272138] mmc2: sdhci: Resp[0]: 0x00000c00 | Resp[1]: 0x00000000 [ 225.272147] mmc2: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000900 [ 225.272155] mmc2: sdhci: Host ctl2: 0x0000000c [ 225.272164] mmc2: sdhci: ADMA Err: 0x00000003 | ADMA Ptr: 0x0712c200 [ 225.272172] mmc2: sdhci: ============================================ which results in IO errors leading to issues accessing the sdcard. 0x04000000 is a so-called "Tuning Error" which sofar the SDHCI driver does not support / enable. Modify the IRQ handler to process these. This fixes UHS microsd cards not working with these tablets. Link: https://lore.kernel.org/r/199bb4aa-c6b5-453e-be37-58bbf468800c@intel.com Signed-off-by: Hans de Goede Signed-off-by: Adrian Hunter --- drivers/mmc/host/sdhci.c | 10 ++++++++-- drivers/mmc/host/sdhci.h | 3 ++- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c79f73459915..746f4cf7ab03 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3439,12 +3439,18 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) host->data->error = -EILSEQ; if (!mmc_op_tuning(SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)))) sdhci_err_stats_inc(host, DAT_CRC); - } else if ((intmask & SDHCI_INT_DATA_CRC) && + } else if ((intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_TUNING_ERROR)) && SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)) != MMC_BUS_TEST_R) { host->data->error = -EILSEQ; if (!mmc_op_tuning(SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)))) sdhci_err_stats_inc(host, DAT_CRC); + if (intmask & SDHCI_INT_TUNING_ERROR) { + u16 ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); + + ctrl2 &= ~SDHCI_CTRL_TUNED_CLK; + sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2); + } } else if (intmask & SDHCI_INT_ADMA_ERROR) { pr_err("%s: ADMA error: 0x%08x\n", mmc_hostname(host->mmc), intmask); @@ -3979,7 +3985,7 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error, } else *cmd_error = 0; - if (intmask & (SDHCI_INT_DATA_END_BIT | SDHCI_INT_DATA_CRC)) { + if (intmask & (SDHCI_INT_DATA_END_BIT | SDHCI_INT_DATA_CRC | SDHCI_INT_TUNING_ERROR)) { *data_error = -EILSEQ; if (!mmc_op_tuning(SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)))) sdhci_err_stats_inc(host, DAT_CRC); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index a20864fc0641..957c7a917ffb 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -158,6 +158,7 @@ #define SDHCI_INT_BUS_POWER 0x00800000 #define SDHCI_INT_AUTO_CMD_ERR 0x01000000 #define SDHCI_INT_ADMA_ERROR 0x02000000 +#define SDHCI_INT_TUNING_ERROR 0x04000000 #define SDHCI_INT_NORMAL_MASK 0x00007FFF #define SDHCI_INT_ERROR_MASK 0xFFFF8000 @@ -169,7 +170,7 @@ SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \ SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \ SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR | \ - SDHCI_INT_BLK_GAP) + SDHCI_INT_BLK_GAP | SDHCI_INT_TUNING_ERROR) #define SDHCI_INT_ALL_MASK ((unsigned int)-1) #define SDHCI_CQE_INT_ERR_MASK ( \ From patchwork Wed Apr 10 19:16:36 2024 Content-Type: text/plain; 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Wed, 10 Apr 2024 19:16:48 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.79]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9BD4344434C; Wed, 10 Apr 2024 19:16:47 +0000 (UTC) From: Hans de Goede To: Adrian Hunter , Ulf Hansson Cc: Hans de Goede , Andy Shevchenko , Mika Westerberg , linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 3/6] mmc: sdhci-acpi: Sort DMI quirks alphabetically Date: Wed, 10 Apr 2024 21:16:36 +0200 Message-ID: <20240410191639.526324-4-hdegoede@redhat.com> In-Reply-To: <20240410191639.526324-1-hdegoede@redhat.com> References: <20240410191639.526324-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Sort the DMI quirks alphabetically. Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede --- drivers/mmc/host/sdhci-acpi.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index acf5fc3ad7e4..d2003d3be6ba 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -719,7 +719,20 @@ static const struct acpi_device_id sdhci_acpi_ids[] = { }; MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids); +/* Please keep this list sorted alphabetically */ static const struct dmi_system_id sdhci_acpi_quirks[] = { + { + /* + * The Acer Aspire Switch 10 (SW5-012) microSD slot always + * reports the card being write-protected even though microSD + * cards do not have a write-protect switch at all. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"), + }, + .driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT, + }, { /* * The Lenovo Miix 320-10ICR has a bug in the _PS0 method of @@ -734,18 +747,6 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = { }, .driver_data = (void *)DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP, }, - { - /* - * The Acer Aspire Switch 10 (SW5-012) microSD slot always - * reports the card being write-protected even though microSD - * cards do not have a write-protect switch at all. - */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"), - }, - .driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT, - }, { /* * The Toshiba WT8-B's microSD slot always reports the card being From patchwork Wed Apr 10 19:16:37 2024 Content-Type: text/plain; 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Wed, 10 Apr 2024 19:16:49 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.79]) by smtp.corp.redhat.com (Postfix) with ESMTP id C3B2B44434D; Wed, 10 Apr 2024 19:16:48 +0000 (UTC) From: Hans de Goede To: Adrian Hunter , Ulf Hansson Cc: Hans de Goede , Andy Shevchenko , Mika Westerberg , linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 4/6] mmc: sdhci-acpi: Fix Lenovo Yoga Tablet 2 Pro 1380 sdcard slot not working Date: Wed, 10 Apr 2024 21:16:37 +0200 Message-ID: <20240410191639.526324-5-hdegoede@redhat.com> In-Reply-To: <20240410191639.526324-1-hdegoede@redhat.com> References: <20240410191639.526324-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 The Lenovo Yoga Tablet 2 Pro 1380 sdcard slot has an active high cd pin and a broken wp pin which always reports the card being write-protected. Add a DMI quirk to address both issues. Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede --- drivers/mmc/host/sdhci-acpi.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index d2003d3be6ba..c0d77f589deb 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -80,6 +80,7 @@ struct sdhci_acpi_host { enum { DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP = BIT(0), DMI_QUIRK_SD_NO_WRITE_PROTECT = BIT(1), + DMI_QUIRK_SD_CD_ACTIVE_HIGH = BIT(2), }; static inline void *sdhci_acpi_priv(struct sdhci_acpi_host *c) @@ -747,6 +748,26 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = { }, .driver_data = (void *)DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP, }, + { + /* + * Lenovo Yoga Tablet 2 Pro 1380F/L (13" Android version) this + * has broken WP reporting and an inverted CD signal. + * Note this has more or less the same BIOS as the Lenovo Yoga + * Tablet 2 830F/L or 1050F/L (8" and 10" Android), but unlike + * the 830 / 1050 models which share the same mainboard this + * model has a different mainboard and the inverted CD and + * broken WP are unique to this board. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), + DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"), + DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"), + /* Full match so as to NOT match the 830/1050 BIOS */ + DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"), + }, + .driver_data = (void *)(DMI_QUIRK_SD_NO_WRITE_PROTECT | + DMI_QUIRK_SD_CD_ACTIVE_HIGH), + }, { /* * The Toshiba WT8-B's microSD slot always reports the card being @@ -867,6 +888,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev) if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) { bool v = sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL); 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Wed, 10 Apr 2024 19:16:50 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.79]) by smtp.corp.redhat.com (Postfix) with ESMTP id EDC3A44434C; Wed, 10 Apr 2024 19:16:49 +0000 (UTC) From: Hans de Goede To: Adrian Hunter , Ulf Hansson Cc: Hans de Goede , Andy Shevchenko , Mika Westerberg , linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 5/6] mmc: sdhci-acpi: Disable write protect detection on Toshiba WT10-A Date: Wed, 10 Apr 2024 21:16:38 +0200 Message-ID: <20240410191639.526324-6-hdegoede@redhat.com> In-Reply-To: <20240410191639.526324-1-hdegoede@redhat.com> References: <20240410191639.526324-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 On the Toshiba WT10-A the microSD slot always reports the card being write-protected, just like on the Toshiba WT8-B. Add a DMI quirk to work around this. Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede --- drivers/mmc/host/sdhci-acpi.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index c0d77f589deb..f7d4808413cb 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -779,6 +779,17 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = { }, .driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT, }, + { + /* + * The Toshiba WT10-A's microSD slot always reports the card being + * write-protected. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A"), + }, + .driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT, + }, {} /* Terminating entry */ }; From patchwork Wed Apr 10 19:16:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 1922217 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Wed, 10 Apr 2024 19:16:51 +0000 (UTC) From: Hans de Goede To: Adrian Hunter , Ulf Hansson Cc: Hans de Goede , Andy Shevchenko , Mika Westerberg , linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org, =?utf-8?q?Nuno_S=C3=A1?= Subject: [PATCH v3 6/6] mmc: sdhci-acpi: Add quirk to enable pull-up on the card-detect GPIO on Asus T100TA Date: Wed, 10 Apr 2024 21:16:39 +0200 Message-ID: <20240410191639.526324-7-hdegoede@redhat.com> In-Reply-To: <20240410191639.526324-1-hdegoede@redhat.com> References: <20240410191639.526324-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 The card-detect GPIO for the microSD slot on Asus T100TA / T100TAM models stopped working under Linux after commit 6fd03f024828 ("gpiolib: acpi: support bias pull disable"). The GPIO in question is connected to a mechanical switch in the slot which shorts the pin to GND when a card is inserted. The GPIO pin correctly gets configured with a 20K pull-up by the BIOS, but there is a bug in the DSDT where the GpioInt for the card-detect is configured with a PullNone setting: GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 0x2710, "\\_SB.GPO0", 0x00, ResourceConsumer, , ) { // Pin list 0x0026 } Linux now actually honors the PullNone setting and disables the 20K pull-up configured by the BIOS. Add a new DMI_QUIRK_SD_CD_ENABLE_PULL_UP quirk which when set calls mmc_gpiod_set_cd_config() to re-enable the pull-up and set this for the Asus T100TA models to fix this. Fixes: 6fd03f024828 ("gpiolib: acpi: support bias pull disable") Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede --- Cc: Nuno Sá --- Changes v2: - Add {} to else if (quirks & DMI_QUIRK_SD_CD_ENABLE_PULL_UP) branch --- drivers/mmc/host/sdhci-acpi.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index f7d4808413cb..eb8f427f9770 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -81,6 +82,7 @@ enum { DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP = BIT(0), DMI_QUIRK_SD_NO_WRITE_PROTECT = BIT(1), DMI_QUIRK_SD_CD_ACTIVE_HIGH = BIT(2), + DMI_QUIRK_SD_CD_ENABLE_PULL_UP = BIT(3), }; static inline void *sdhci_acpi_priv(struct sdhci_acpi_host *c) @@ -734,6 +736,14 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = { }, .driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT, }, + { + /* Asus T100TA, needs pull-up for cd but DSDT GpioInt has NoPull set */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"), + }, + .driver_data = (void *)DMI_QUIRK_SD_CD_ENABLE_PULL_UP, + }, { /* * The Lenovo Miix 320-10ICR has a bug in the _PS0 method of @@ -908,6 +918,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev) goto err_free; dev_warn(dev, "failed to setup card detect gpio\n"); c->use_runtime_pm = false; + } else if (quirks & DMI_QUIRK_SD_CD_ENABLE_PULL_UP) { + mmc_gpiod_set_cd_config(host->mmc, + PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 20000)); } if (quirks & DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP)