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authorBiju Das <biju.das.jz@bp.renesas.com>2021-11-03 15:26:46 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-27 13:04:42 +0300
commit384a5e27a44f4bc76815a18391751d2243e91c21 (patch)
treedf8fd2aa05a5614bb0f3f9013a677a1db35210be /drivers/mmc
parentc3d14b3585b78a007ee99066698655662c61e4bd (diff)
downloadlinux-384a5e27a44f4bc76815a18391751d2243e91c21.tar.xz
mmc: tmio: reinit card irqs in reset routine
[ Upstream commit e315b1f3a170f368da5618f8a598e68880302ed1 ] Refactor the code so that card detect irqs are always reenabled after a reset. This avoids doing it manually all over the code or forgetting to do this in the future. Reported-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> [wsa: added a comment when 'native_hotplug' has to be set] Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20211103122646.64422-1-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/tmio_mmc_core.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index e2affa52ef46..a5850d83908b 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -960,14 +960,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
case MMC_POWER_OFF:
tmio_mmc_power_off(host);
/* For R-Car Gen2+, we need to reset SDHI specific SCC */
- if (host->pdata->flags & TMIO_MMC_MIN_RCAR2) {
- host->reset(host);
-
- if (host->native_hotplug)
- tmio_mmc_enable_mmc_irqs(host,
- TMIO_STAT_CARD_REMOVE |
- TMIO_STAT_CARD_INSERT);
- }
+ if (host->pdata->flags & TMIO_MMC_MIN_RCAR2)
+ tmio_mmc_reset(host);
host->set_clock(host, 0);
break;
@@ -1175,6 +1169,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
if (mmc_can_gpio_cd(mmc))
_host->ops.get_cd = mmc_gpio_get_cd;
+ /* must be set before tmio_mmc_reset() */
_host->native_hotplug = !(mmc_can_gpio_cd(mmc) ||
mmc->caps & MMC_CAP_NEEDS_POLL ||
!mmc_card_is_removable(mmc));
@@ -1295,10 +1290,6 @@ int tmio_mmc_host_runtime_resume(struct device *dev)
if (host->clk_cache)
host->set_clock(host, host->clk_cache);
- if (host->native_hotplug)
- tmio_mmc_enable_mmc_irqs(host,
- TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT);
-
tmio_mmc_enable_dma(host, true);
return 0;