On 3 March 2015 at 13:28, Andreas Fenkart <afenkart@xxxxxxxxx> wrote: > These patches are trying to clean up the cover/card detect logic. > > Mobile phones (some) have no card detect pin, but > can detect if the cover is removed. The purpose is the > same; detect if card is being added/removed, but the > details differ. > When the cover is removed, it does not mean the card is > gone. But it might, since it is accessible now. It's like > a warning. All the driver does is to limit write access to > the card, see protect_card flag. In contrast, card detect > notifies us after the fact, e.g. card is gone, card is > inserted. > > While cover detect is only used by one platform (rx51), it > complicates the card detect logic. By separating the code > paths they both become easier to understand and maintain > > Patches have been tested by reverting: 95bebb5696ab > 'mmc: omap_hsmmc: use mmc_of_parse to parse common mmc configuration' > otherwise gpio detection is handled by mmc_of_parse > > compile tested > OMAP2: > CONFIG_MACH_OMAP2_TUSB6010=y > CONFIG_MACH_OMAP3_BEAGLE=y > CONFIG_MACH_DEVKIT8000=y > CONFIG_MACH_OMAP_LDP=y > CONFIG_MACH_OMAP3530_LV_SOM=y > CONFIG_MACH_OMAP3_TORPEDO=y > CONFIG_MACH_OVERO=y > CONFIG_MACH_OMAP3517EVM=y > CONFIG_MACH_CRANEBOARD=y > CONFIG_MACH_OMAP3_PANDORA=y > CONFIG_MACH_TOUCHBOOK=y > CONFIG_MACH_OMAP_3430SDP=y > CONFIG_MACH_NOKIA_N810=y > CONFIG_MACH_NOKIA_N810_WIMAX=y > CONFIG_MACH_NOKIA_N8X0=y > CONFIG_MACH_NOKIA_RX51=y > CONFIG_MACH_CM_T35=y > CONFIG_MACH_CM_T3517=y > CONFIG_MACH_CM_T3730=y > CONFIG_MACH_SBC3530=y > CONFIG_MACH_TI8168EVM=y > CONFIG_MACH_TI8148EVM=y > > Andreas Fenkart (6): > mmc: omap_hsmmc: remove unused fields from struct omap_hsmmc_host > mmc: omap_hsmmc: use slot-gpio functions to manage read-only pin > directly > mmc: omap_hsmmc: use distinctive code paths for cover / card detect > logic > ARM: OMAP2: HSMMC: platform_data: explicit gpio_cover / gpio_cd fields > mmc: omap_hsmmc: simplify card/cover detect isr > mmc: omap_hsmmc: use generic slot-gpio isr to manage card detect pin > > arch/arm/mach-omap2/hsmmc.c | 33 +++++++++---- > drivers/mmc/host/omap_hsmmc.c | 80 +++++++++----------------------- > include/linux/platform_data/hsmmc-omap.h | 6 +-- > 3 files changed, 48 insertions(+), 71 deletions(-) > > -- > 2.1.4 > Applied patch 1->3, thanks! If I get an ack for patch 4 (ARM) and can take them all through my tree. Kind regards Uffe -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
