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| author | Arnd Bergmann <arnd@arndb.de> | 2017-11-07 10:31:01 -0500 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2017-11-07 10:31:01 -0500 |
| commit | ad54c3e75d27686ac7e97e17d242fbc568f6c2e3 (patch) | |
| tree | fd64603df00b919496c3b166409de53e22d49312 | |
| parent | 5b143d2a6edeae59700420c948f7d793da3356a8 (diff) | |
| parent | a622c641665c32a879348efb2abc389527479ee4 (diff) | |
Merge tag 'gpmc-omap-for-v4.15-pt2' of https://github.com/rogerq/linux into next/drivers
Pull "OMAP-GPMC: driver updates for v4.15, part 2" from Roger Quadros:
* get rid of unused function gpmc_update_nand_reg().
* tag 'gpmc-omap-for-v4.15-pt2' of https://github.com/rogerq/linux:
memory: omap-gpmc: Remove deprecated gpmc_update_nand_reg()
| -rw-r--r-- | drivers/memory/omap-gpmc.c | 53 | ||||
| -rw-r--r-- | include/linux/omap-gpmc.h | 12 |
2 files changed, 24 insertions, 41 deletions
diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index f2aef0b87bc6..a385a35c7de9 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c | |||
| @@ -1075,10 +1075,33 @@ int gpmc_configure(int cmd, int wval) | |||
| 1075 | } | 1075 | } |
| 1076 | EXPORT_SYMBOL(gpmc_configure); | 1076 | EXPORT_SYMBOL(gpmc_configure); |
| 1077 | 1077 | ||
| 1078 | void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) | 1078 | static bool gpmc_nand_writebuffer_empty(void) |
| 1079 | { | ||
| 1080 | if (gpmc_read_reg(GPMC_STATUS) & GPMC_STATUS_EMPTYWRITEBUFFERSTATUS) | ||
| 1081 | return true; | ||
| 1082 | |||
| 1083 | return false; | ||
| 1084 | } | ||
| 1085 | |||
| 1086 | static struct gpmc_nand_ops nand_ops = { | ||
| 1087 | .nand_writebuffer_empty = gpmc_nand_writebuffer_empty, | ||
| 1088 | }; | ||
| 1089 | |||
| 1090 | /** | ||
| 1091 | * gpmc_omap_get_nand_ops - Get the GPMC NAND interface | ||
| 1092 | * @regs: the GPMC NAND register map exclusive for NAND use. | ||
| 1093 | * @cs: GPMC chip select number on which the NAND sits. The | ||
| 1094 | * register map returned will be specific to this chip select. | ||
| 1095 | * | ||
| 1096 | * Returns NULL on error e.g. invalid cs. | ||
| 1097 | */ | ||
| 1098 | struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *reg, int cs) | ||
| 1079 | { | 1099 | { |
| 1080 | int i; | 1100 | int i; |
| 1081 | 1101 | ||
| 1102 | if (cs >= gpmc_cs_num) | ||
| 1103 | return NULL; | ||
| 1104 | |||
| 1082 | reg->gpmc_nand_command = gpmc_base + GPMC_CS0_OFFSET + | 1105 | reg->gpmc_nand_command = gpmc_base + GPMC_CS0_OFFSET + |
| 1083 | GPMC_CS_NAND_COMMAND + GPMC_CS_SIZE * cs; | 1106 | GPMC_CS_NAND_COMMAND + GPMC_CS_SIZE * cs; |
| 1084 | reg->gpmc_nand_address = gpmc_base + GPMC_CS0_OFFSET + | 1107 | reg->gpmc_nand_address = gpmc_base + GPMC_CS0_OFFSET + |
| @@ -1110,34 +1133,6 @@ void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) | |||
| 1110 | reg->gpmc_bch_result6[i] = gpmc_base + GPMC_ECC_BCH_RESULT_6 + | 1133 | reg->gpmc_bch_result6[i] = gpmc_base + GPMC_ECC_BCH_RESULT_6 + |
| 1111 | i * GPMC_BCH_SIZE; | 1134 | i * GPMC_BCH_SIZE; |
| 1112 | } | 1135 | } |
| 1113 | } | ||
| 1114 | |||
| 1115 | static bool gpmc_nand_writebuffer_empty(void) | ||
| 1116 | { | ||
| 1117 | if (gpmc_read_reg(GPMC_STATUS) & GPMC_STATUS_EMPTYWRITEBUFFERSTATUS) | ||
| 1118 | return true; | ||
| 1119 | |||
| 1120 | return false; | ||
| 1121 | } | ||
| 1122 | |||
| 1123 | static struct gpmc_nand_ops nand_ops = { | ||
| 1124 | .nand_writebuffer_empty = gpmc_nand_writebuffer_empty, | ||
| 1125 | }; | ||
| 1126 | |||
| 1127 | /** | ||
| 1128 | * gpmc_omap_get_nand_ops - Get the GPMC NAND interface | ||
| 1129 | * @regs: the GPMC NAND register map exclusive for NAND use. | ||
| 1130 | * @cs: GPMC chip select number on which the NAND sits. The | ||
| 1131 | * register map returned will be specific to this chip select. | ||
| 1132 | * | ||
| 1133 | * Returns NULL on error e.g. invalid cs. | ||
| 1134 | */ | ||
| 1135 | struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *reg, int cs) | ||
| 1136 | { | ||
| 1137 | if (cs >= gpmc_cs_num) | ||
| 1138 | return NULL; | ||
| 1139 | |||
| 1140 | gpmc_update_nand_reg(reg, cs); | ||
| 1141 | 1136 | ||
| 1142 | return &nand_ops; | 1137 | return &nand_ops; |
| 1143 | } | 1138 | } |
diff --git a/include/linux/omap-gpmc.h b/include/linux/omap-gpmc.h index fd0de00c0d77..edfa280c3d56 100644 --- a/include/linux/omap-gpmc.h +++ b/include/linux/omap-gpmc.h | |||
| @@ -36,18 +36,6 @@ static inline struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs | |||
| 36 | } | 36 | } |
| 37 | #endif /* CONFIG_OMAP_GPMC */ | 37 | #endif /* CONFIG_OMAP_GPMC */ |
| 38 | 38 | ||
| 39 | /*--------------------------------*/ | ||
| 40 | |||
| 41 | /* deprecated APIs */ | ||
| 42 | #if IS_ENABLED(CONFIG_OMAP_GPMC) | ||
| 43 | void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs); | ||
| 44 | #else | ||
| 45 | static inline void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) | ||
| 46 | { | ||
| 47 | } | ||
| 48 | #endif /* CONFIG_OMAP_GPMC */ | ||
| 49 | /*--------------------------------*/ | ||
| 50 | |||
| 51 | extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, | 39 | extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, |
| 52 | struct gpmc_settings *gpmc_s, | 40 | struct gpmc_settings *gpmc_s, |
| 53 | struct gpmc_device_timings *dev_t); | 41 | struct gpmc_device_timings *dev_t); |
