From 8f66a5c61a98ac69a054b72d872976e2d42ac705 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 5 Feb 2019 10:30:22 +0100 Subject: [PATCH] mmc: slot-gpio: Remove override_active_level on WP The argument "override_active_level" made it possible to enforce a specific polarity on the write-protect GPIO line. All callers in the kernel pass "false" to this call after I have converted all drivers to use GPIO machine descriptors, so remove the argument and clean out this. This kind of polarity inversion should be handled by the GPIO descriptor inside the GPIO library if needed. This rids us of one instance of the kludgy calls into the gpiod_get_raw_value() API. Signed-off-by: Linus Walleij Signed-off-by: Ulf Hansson --- drivers/mmc/core/host.c | 2 +- drivers/mmc/core/slot-gpio.c | 9 +-------- drivers/mmc/host/davinci_mmc.c | 2 +- drivers/mmc/host/mmc_spi.c | 2 +- drivers/mmc/host/mmci.c | 2 +- drivers/mmc/host/pxamci.c | 2 +- drivers/mmc/host/s3cmci.c | 2 +- drivers/mmc/host/sdhci-esdhc-imx.c | 2 +- include/linux/mmc/slot-gpio.h | 2 +- 9 files changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 71fb228ad4478..652ea65023360 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -260,7 +260,7 @@ int mmc_of_parse(struct mmc_host *host) /* Parse Write Protection */ ro_cap_invert = device_property_read_bool(dev, "wp-inverted"); - ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &ro_gpio_invert); + ret = mmc_gpiod_request_ro(host, "wp", 0, 0, &ro_gpio_invert); if (!ret) dev_info(host->parent, "Got WP GPIO\n"); else if (ret != -ENOENT && ret != -ENOSYS) diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c index 319ccd93383d2..4afc6b87b4659 100644 --- a/drivers/mmc/core/slot-gpio.c +++ b/drivers/mmc/core/slot-gpio.c @@ -22,7 +22,6 @@ struct mmc_gpio { struct gpio_desc *ro_gpio; struct gpio_desc *cd_gpio; - bool override_ro_active_level; bool override_cd_active_level; irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id); char *ro_label; @@ -71,10 +70,6 @@ int mmc_gpio_get_ro(struct mmc_host *host) if (!ctx || !ctx->ro_gpio) return -ENOSYS; - if (ctx->override_ro_active_level) - return !gpiod_get_raw_value_cansleep(ctx->ro_gpio) ^ - !!(host->caps2 & MMC_CAP2_RO_ACTIVE_HIGH); - return gpiod_get_value_cansleep(ctx->ro_gpio); } EXPORT_SYMBOL(mmc_gpio_get_ro); @@ -225,7 +220,6 @@ EXPORT_SYMBOL(mmc_can_gpio_cd); * @host: mmc host * @con_id: function within the GPIO consumer * @idx: index of the GPIO to obtain in the consumer - * @override_active_level: ignore %GPIO_ACTIVE_LOW flag * @debounce: debounce time in microseconds * @gpio_invert: will return whether the GPIO line is inverted or not, * set to NULL to ignore @@ -233,7 +227,7 @@ EXPORT_SYMBOL(mmc_can_gpio_cd); * Returns zero on success, else an error. */ int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, - unsigned int idx, bool override_active_level, + unsigned int idx, unsigned int debounce, bool *gpio_invert) { struct mmc_gpio *ctx = host->slot.handler_priv; @@ -253,7 +247,6 @@ int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, if (gpio_invert) *gpio_invert = !gpiod_is_active_low(desc); - ctx->override_ro_active_level = override_active_level; ctx->ro_gpio = desc; return 0; diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 9e68c3645e227..49e0daf2ef5e1 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1193,7 +1193,7 @@ static int mmc_davinci_parse_pdata(struct mmc_host *mmc) else if (ret) mmc->caps |= MMC_CAP_NEEDS_POLL; - ret = mmc_gpiod_request_ro(mmc, "wp", 0, false, 0, NULL); + ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0, NULL); if (ret == -EPROBE_DEFER) return ret; diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 10ba46b728e82..d7a5bbeb391bb 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1452,7 +1452,7 @@ static int mmc_spi_probe(struct spi_device *spi) } /* Index 1 is write protect/read only */ - status = mmc_gpiod_request_ro(mmc, NULL, 1, false, 0, NULL); + status = mmc_gpiod_request_ro(mmc, NULL, 1, 0, NULL); if (status == -EPROBE_DEFER) goto fail_add_host; if (!status) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index e352f5ad58018..7dd3ccf5baf00 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -2011,7 +2011,7 @@ static int mmci_probe(struct amba_device *dev, if (ret == -EPROBE_DEFER) goto clk_disable; - ret = mmc_gpiod_request_ro(mmc, "wp", 0, false, 0, NULL); + ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0, NULL); if (ret == -EPROBE_DEFER) goto clk_disable; } diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 8779bbaa6b697..c907bf502a123 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -743,7 +743,7 @@ static int pxamci_probe(struct platform_device *pdev) goto out; } - ret = mmc_gpiod_request_ro(mmc, "wp", 0, false, 0, NULL); + ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0, NULL); if (ret && ret != -ENOENT) { dev_err(dev, "Failed requesting gpio_ro\n"); goto out; diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 10f5219b3b408..f31333e831a70 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -1530,7 +1530,7 @@ static int s3cmci_probe_pdata(struct s3cmci_host *host) return ret; } - ret = mmc_gpiod_request_ro(host->mmc, "wp", 0, false, 0, NULL); + ret = mmc_gpiod_request_ro(host->mmc, "wp", 0, 0, NULL); if (ret != -ENOENT) { dev_err(&pdev->dev, "error requesting GPIO for WP %d\n", ret); diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index fad600739d0e5..32ca3703b432a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1351,7 +1351,7 @@ static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev, host->mmc->parent->platform_data); /* write_protect */ if (boarddata->wp_type == ESDHC_WP_GPIO) { - err = mmc_gpiod_request_ro(host->mmc, "wp", 0, false, 0, NULL); + err = mmc_gpiod_request_ro(host->mmc, "wp", 0, 0, NULL); if (err) { dev_err(mmc_dev(host->mmc), "failed to request write-protect gpio!\n"); diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h index feebd7aa6f5c1..9fd3ce64a885c 100644 --- a/include/linux/mmc/slot-gpio.h +++ b/include/linux/mmc/slot-gpio.h @@ -22,7 +22,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, unsigned int idx, bool override_active_level, unsigned int debounce, bool *gpio_invert); int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, - unsigned int idx, bool override_active_level, + unsigned int idx, unsigned int debounce, bool *gpio_invert); void mmc_gpio_set_cd_isr(struct mmc_host *host, irqreturn_t (*isr)(int irq, void *dev_id)); -- 2.39.5