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authorBrian Norris <computersforpeace@gmail.com>2014-08-07 05:17:00 +0400
committerBrian Norris <computersforpeace@gmail.com>2014-11-05 13:08:21 +0300
commitb94ed087744c5bc287d2ed706b476693df07151d (patch)
tree3cc1ce27a02e529687eadfbbae70b93b4e524a30 /drivers/mtd
parent8fdc6cd45891d26e2c82ad22cc6f85cbb4d526d2 (diff)
downloadlinux-b94ed087744c5bc287d2ed706b476693df07151d.tar.xz
mtd: spi-nor: drop replaceable wait-till-ready function pointer
We don't need to expose a 'wait-till-ready' interface to drivers. Status register polling should be handled by the core spi-nor.c library, and as of now, I see no need to provide a special driver-specific hook for it. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 93cd1043ef4f..bfb67f1e2b7d 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -195,6 +195,10 @@ static int spi_nor_ready(struct spi_nor *nor)
return sr && fsr;
}
+/*
+ * Service routine to read status register until ready, or timeout occurs.
+ * Returns non-zero if error.
+ */
static int spi_nor_wait_till_ready(struct spi_nor *nor)
{
unsigned long deadline;
@@ -216,15 +220,6 @@ static int spi_nor_wait_till_ready(struct spi_nor *nor)
}
/*
- * Service routine to read status register until ready, or timeout occurs.
- * Returns non-zero if error.
- */
-static int wait_till_ready(struct spi_nor *nor)
-{
- return nor->wait_till_ready(nor);
-}
-
-/*
* Erase the whole flash memory
*
* Returns 0 if successful, non-zero otherwise.
@@ -708,7 +703,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
/* write one byte. */
nor->write(nor, to, 1, retlen, buf);
- ret = wait_till_ready(nor);
+ ret = spi_nor_wait_till_ready(nor);
if (ret)
goto time_out;
}
@@ -720,7 +715,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
/* write two bytes. */
nor->write(nor, to, 2, retlen, buf + actual);
- ret = wait_till_ready(nor);
+ ret = spi_nor_wait_till_ready(nor);
if (ret)
goto time_out;
to += 2;
@@ -729,7 +724,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
nor->sst_write_second = false;
write_disable(nor);
- ret = wait_till_ready(nor);
+ ret = spi_nor_wait_till_ready(nor);
if (ret)
goto time_out;
@@ -740,7 +735,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
nor->program_opcode = SPINOR_OP_BP;
nor->write(nor, to, 1, retlen, buf + actual);
- ret = wait_till_ready(nor);
+ ret = spi_nor_wait_till_ready(nor);
if (ret)
goto time_out;
write_disable(nor);
@@ -786,7 +781,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
if (page_size > nor->page_size)
page_size = nor->page_size;
- ret = wait_till_ready(nor);
+ ret = spi_nor_wait_till_ready(nor);
if (ret)
goto write_err;
@@ -812,7 +807,7 @@ static int macronix_quad_enable(struct spi_nor *nor)
nor->cmd_buf[0] = val | SR_QUAD_EN_MX;
nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1, 0);
- if (wait_till_ready(nor))
+ if (spi_nor_wait_till_ready(nor))
return 1;
ret = read_sr(nor);
@@ -892,9 +887,6 @@ static int spi_nor_check(struct spi_nor *nor)
return -EINVAL;
}
- if (!nor->wait_till_ready)
- nor->wait_till_ready = spi_nor_wait_till_ready;
-
return 0;
}