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misc: rtsx: do not setting OC_POWER_DOWN reg in rtsx_pci_init_ocp() 

commit 551b672957 upstream.

this power saving action in rtsx_pci_init_ocp() cause INTEL-NUC6 platform
missing card reader

Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20200824030006.30033-1-ricky_wu@realtek.com
Cc: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Ricky Wu 2020-08-24 11:00:06 +08:00 committed by Greg Kroah-Hartman
parent a6db3aab9c
commit aa3410cc23
1 changed files with 0 additions and 4 deletions
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4
drivers/misc/cardreader/rtsx_pcr.c
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@ -1189,10 +1189,6 @@ void rtsx_pci_init_ocp(struct rtsx_pcr *pcr)
rtsx_pci_write_register(pcr, REG_OCPGLITCH,
SD_OCP_GLITCH_MASK, pcr->hw_param.ocp_glitch);
rtsx_pci_enable_ocp(pcr);
} else {
/* OC power down */
rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN,
OC_POWER_DOWN);
}
}
}