diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /include/linux/mfd/tmio.h | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/mfd/tmio.h')
| -rw-r--r-- | include/linux/mfd/tmio.h | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h index 0dc98044d8b..f5171dbf885 100644 --- a/include/linux/mfd/tmio.h +++ b/include/linux/mfd/tmio.h @@ -1,8 +1,10 @@ #ifndef MFD_TMIO_H #define MFD_TMIO_H +#include <linux/device.h> #include <linux/fb.h> #include <linux/io.h> +#include <linux/jiffies.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> @@ -64,8 +66,8 @@ #define TMIO_MMC_SDIO_IRQ (1 << 2) /* * Some platforms can detect card insertion events with controller powered - * down, in which case they have to call tmio_mmc_cd_wakeup() to power up the - * controller and report the event to the driver. + * down, using a GPIO IRQ, in which case they have to fill in cd_irq, cd_gpio, + * and cd_flags fields of struct tmio_mmc_data. */ #define TMIO_MMC_HAS_COLD_CD (1 << 3) /* @@ -73,6 +75,12 @@ * idle before writing to some registers. */ #define TMIO_MMC_HAS_IDLE_WAIT (1 << 4) +/* + * A GPIO is used for card hotplug detection. We need an extra flag for this, + * because 0 is a valid GPIO number too, and requiring users to specify + * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility. + */ +#define TMIO_MMC_USE_GPIO_CD (1 << 5) int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base); int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base); @@ -97,19 +105,23 @@ struct tmio_mmc_data { u32 ocr_mask; /* available voltages */ struct tmio_mmc_dma *dma; struct device *dev; - bool power; + unsigned int cd_gpio; void (*set_pwr)(struct platform_device *host, int state); void (*set_clk_div)(struct platform_device *host, int state); int (*get_cd)(struct platform_device *host); int (*write16_hook)(struct tmio_mmc_host *host, int addr); }; +/* + * This function is deprecated and will be removed soon. Please, convert your + * platform to use drivers/mmc/core/cd-gpio.c + */ +#include <linux/mmc/host.h> static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata) { - if (pdata && !pdata->power) { - pdata->power = true; - pm_runtime_get(pdata->dev); - } + if (pdata) + mmc_detect_change(dev_get_drvdata(pdata->dev), + msecs_to_jiffies(100)); } /* |