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Fixes mmc_spi on C1 #113

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Fixes mmc_spi on C1 #113

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7d57d45
Enable mmc-slot
raporrass Jul 25, 2015
796f3c7
Fix uninitialized 'alldev_claim' field
raporrass Jul 25, 2015
5d9a8fd
Fix device name collision
raporrass Jul 25, 2015
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Fix device name collision
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@raporrass
raporrass committed Jul 25, 2015
commit 5d9a8fda3d1535f9d63d5343705837470beb167e
25 changes: 12 additions & 13 deletions drivers/mmc/card/block.c
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,10 @@ enum {
MMC_PACKED_NR_SINGLE,
};

#if defined(CONFIG_MACH_MESON8B_ODROIDC)
#define AML_SDHC_RESERVED_IDX 0
#endif

module_param(perdev_minors, int, 0444);
MODULE_PARM_DESC(perdev_minors, "Minors numbers to allocate per device");

Expand Down Expand Up @@ -2205,25 +2209,16 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
*/
#if defined(CONFIG_MACH_MESON8B_ODROIDC)
if (strncmp(dev_name(mmc_dev(card->host)), "aml_sdhc.0", 8) == 0) {
md->name_idx = 0;
__set_bit(md->name_idx, name_use);
} else if (strncmp(dev_name(mmc_dev(card->host)), "aml_sdio.0", 8) == 0) {
if (!subname) {
md->name_idx = find_first_zero_bit(name_use, max_devices);
__set_bit(md->name_idx, name_use);
} else {
md->name_idx = ((struct mmc_blk_data *)
dev_to_disk(parent)->private_data)->name_idx;
}
}
#else
md->name_idx = AML_SDHC_RESERVED_IDX;
} else
#endif
if (!subname) {
md->name_idx = find_first_zero_bit(name_use, max_devices);
__set_bit(md->name_idx, name_use);
} else
md->name_idx = ((struct mmc_blk_data *)
dev_to_disk(parent)->private_data)->name_idx;
#endif

md->area_type = area_type;

/*
Expand Down Expand Up @@ -2660,6 +2655,10 @@ static int __init mmc_blk_init(void)
{
int res;

#if defined(CONFIG_MACH_MESON8B_ODROIDC)
__set_bit(AML_SDHC_RESERVED_IDX, name_use);
#endif

if (perdev_minors != CONFIG_MMC_BLOCK_MINORS)
pr_info("mmcblk: using %d minors per device\n", perdev_minors);

Expand Down