From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jagan Teki Date: Sat, 7 Nov 2015 19:16:18 +0530 Subject: [U-Boot] [PATCH v6 04/23] sf: probe: Code cleanup In-Reply-To: <1446903997-1864-1-git-send-email-jteki@openedev.com> References: <1446903997-1864-1-git-send-email-jteki@openedev.com> Message-ID: <1446903997-1864-5-git-send-email-jteki@openedev.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de - Move bar read code below the bar write hance both at once place, hence it easy for #ifdef macro only once and readable. - Move read_cmd_array at top Signed-off-by: Jagan Teki --- drivers/mtd/spi/sf_ops.c | 80 +++++++++++++++++++++++------------------------- 1 file changed, 39 insertions(+), 41 deletions(-) diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c index 37dfd79..d88fb69 100644 --- a/drivers/mtd/spi/sf_ops.c +++ b/drivers/mtd/spi/sf_ops.c @@ -30,6 +30,16 @@ static void spi_flash_addr(u32 addr, u8 *cmd) cmd[3] = addr >> 0; } +/* Read commands array */ +static u8 spi_read_cmds_array[] = { + CMD_READ_ARRAY_SLOW, + CMD_READ_ARRAY_FAST, + CMD_READ_DUAL_OUTPUT_FAST, + CMD_READ_DUAL_IO_FAST, + CMD_READ_QUAD_OUTPUT_FAST, + CMD_READ_QUAD_IO_FAST, +}; + int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs) { int ret; @@ -133,6 +143,35 @@ bar_end: flash->bank_curr = bank_sel; return flash->bank_curr; } + +static int spi_flash_read_bank(struct spi_flash *flash, u8 idcode0) +{ + u8 curr_bank = 0; + int ret; + + if (flash->size <= SPI_FLASH_16MB_BOUN) + goto bank_end; + + switch (idcode0) { + case SPI_FLASH_CFI_MFR_SPANSION: + flash->bank_read_cmd = CMD_BANKADDR_BRRD; + flash->bank_write_cmd = CMD_BANKADDR_BRWR; + default: + flash->bank_read_cmd = CMD_EXTNADDR_RDEAR; + flash->bank_write_cmd = CMD_EXTNADDR_WREAR; + } + + ret = spi_flash_read_common(flash, &flash->bank_read_cmd, 1, + &curr_bank, 1); + if (ret) { + debug("SF: fail to read bank addr register\n"); + return ret; + } + +bank_end: + flash->bank_curr = curr_bank; + return 0; +} #endif #ifdef CONFIG_SF_DUAL_FLASH @@ -750,16 +789,6 @@ int stm_unlock(struct spi_flash *flash, u32 ofs, size_t len) #endif /* CONFIG_SPI_FLASH_STMICRO */ -/* Read commands array */ -static u8 spi_read_cmds_array[] = { - CMD_READ_ARRAY_SLOW, - CMD_READ_ARRAY_FAST, - CMD_READ_DUAL_OUTPUT_FAST, - CMD_READ_DUAL_IO_FAST, - CMD_READ_QUAD_OUTPUT_FAST, - CMD_READ_QUAD_IO_FAST, -}; - #ifdef CONFIG_SPI_FLASH_MACRONIX static int spi_flash_set_qeb_mxic(struct spi_flash *flash) { @@ -827,37 +856,6 @@ static int spi_flash_set_qeb(struct spi_flash *flash, u8 idcode0) } } -#ifdef CONFIG_SPI_FLASH_BAR -static int spi_flash_read_bank(struct spi_flash *flash, u8 idcode0) -{ - u8 curr_bank = 0; - int ret; - - if (flash->size <= SPI_FLASH_16MB_BOUN) - goto bank_end; - - switch (idcode0) { - case SPI_FLASH_CFI_MFR_SPANSION: - flash->bank_read_cmd = CMD_BANKADDR_BRRD; - flash->bank_write_cmd = CMD_BANKADDR_BRWR; - default: - flash->bank_read_cmd = CMD_EXTNADDR_RDEAR; - flash->bank_write_cmd = CMD_EXTNADDR_WREAR; - } - - ret = spi_flash_read_common(flash, &flash->bank_read_cmd, 1, - &curr_bank, 1); - if (ret) { - debug("SF: fail to read bank addr register\n"); - return ret; - } - -bank_end: - flash->bank_curr = curr_bank; - return 0; -} -#endif - #if CONFIG_IS_ENABLED(OF_CONTROL) int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash) { -- 1.9.1