misc: rtsx: Remove unneeded variable in rts5260_card_power_on

rts5260_card_power_on do not need local variable to store different value,
Hence just remove it.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Link: https://lore.kernel.org/r/1568307841-44065-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c
index 40a6d199f2ea350e312dc3e809301772821f8cbf..4214f02a17fdc53314b402e35730a3e7102eeb97 100644 (file)
--- a/drivers/misc/cardreader/rts5260.c
+++ b/drivers/misc/cardreader/rts5260.c
@@ -191,7 +191,6 @@ static int sd_set_sample_push_timing_sd30(struct rtsx_pcr *pcr)
 
 static int rts5260_card_power_on(struct rtsx_pcr *pcr, int card)
 {
-       int err = 0;
        struct rtsx_cr_option *option = &pcr->option;
 
        if (option->ocp_en)
@@ -231,7 +230,7 @@ static int rts5260_card_power_on(struct rtsx_pcr *pcr, int card)
 
        rtsx_pci_write_register(pcr, REG_PRE_RW_MODE, EN_INFINITE_MODE, 0);
 
-       return err;
+       return 0;
 }
 
 static int rts5260_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)