[PATCH] Staging: rts5208: rtsx_card.c: Remove unused function

[Bhumika Goyal]

The functions double_depth, check_card_fail, check_card_ejected are not
used anywhere in the kernel. So, remove their prototype and definition.
Grepped to find occurences.

Signed-off-by: Bhumika Goyal <bhumirks@xxxxxxxxx>
---
 drivers/staging/rts5208/rtsx_card.c | 21 ---------------------
 drivers/staging/rts5208/rtsx_card.h |  2 --
 2 files changed, 23 deletions(-)

diff --git a/drivers/staging/rts5208/rtsx_card.c b/drivers/staging/rts5208/rtsx_card.c
index 437436f..231833a 100644
--- a/drivers/staging/rts5208/rtsx_card.c
+++ b/drivers/staging/rts5208/rtsx_card.c
@@ -628,11 +628,6 @@ void rtsx_init_cards(struct rtsx_chip *chip)
 	}
 }
 
-static inline u8 double_depth(u8 depth)
-{
-	return (depth > 1) ? (depth - 1) : depth;
-}
-
 int switch_ssc_clock(struct rtsx_chip *chip, int clk)
 {
 	int retval;
@@ -1184,22 +1179,6 @@ int check_card_wp(struct rtsx_chip *chip, unsigned int lun)
 	return 0;
 }
 
-int check_card_fail(struct rtsx_chip *chip, unsigned int lun)
-{
-	if (chip->card_fail & chip->lun2card[lun])
-		return 1;
-
-	return 0;
-}
-
-int check_card_ejected(struct rtsx_chip *chip, unsigned int lun)
-{
-	if (chip->card_ejected & chip->lun2card[lun])
-		return 1;
-
-	return 0;
-}
-
 u8 get_lun_card(struct rtsx_chip *chip, unsigned int lun)
 {
 	if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD)
diff --git a/drivers/staging/rts5208/rtsx_card.h b/drivers/staging/rts5208/rtsx_card.h
index 8f2cf9a4e..56df9a4 100644
--- a/drivers/staging/rts5208/rtsx_card.h
+++ b/drivers/staging/rts5208/rtsx_card.h
@@ -1024,8 +1024,6 @@ int detect_card_cd(struct rtsx_chip *chip, int card);
 int check_card_exist(struct rtsx_chip *chip, unsigned int lun);
 int check_card_ready(struct rtsx_chip *chip, unsigned int lun);
 int check_card_wp(struct rtsx_chip *chip, unsigned int lun);
-int check_card_fail(struct rtsx_chip *chip, unsigned int lun);
-int check_card_ejected(struct rtsx_chip *chip, unsigned int lun);
 void eject_card(struct rtsx_chip *chip, unsigned int lun);
 u8 get_lun_card(struct rtsx_chip *chip, unsigned int lun);
 
-- 
1.9.1