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| author |   Rostislav Lisovy <lisovy@gmail.com> | 2014-10-02 14:16:12 +0200 |
|---|---|---|
| committer |   Brian Norris <computersforpeace@gmail.com> | 2014-10-22 01:33:33 -0700 |
| commit | 94cb4ee0f75383327fbeeb91909b342dae3771a5 (patch) | |
| tree | b6bc80b2913e34f09ea900aa4254cb085b9274d9 /drivers/mtd/nand/omap2.c | |
| parent | spi-nor: Remove spi_nor::read_id operation (diff) | |
| download | linux-dev-94cb4ee0f75383327fbeeb91909b342dae3771a5.tar.xz linux-dev-94cb4ee0f75383327fbeeb91909b342dae3771a5.zip | |
mtd: nand: omap: Do not use global variables
Since the commit 97a288ba2cfa ("ARM: omap2+: gpmc-nand: Use
dynamic platform_device_alloc()") gpmc-nand driver supports
multiple NAND flash devices connected to the single controller.
Remove global variable to make the code thread-safe.
Signed-off-by: Rostislav Lisovy <lisovy@merica.cz>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/nand/omap2.c')
| -rw-r--r-- | drivers/mtd/nand/omap2.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 3b357e920a0c..b0f89d87de89 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -144,9 +144,6 @@ static u_char bch8_vector[] = {0xf3, 0xdb, 0x14, 0x16, 0x8b, 0xd2, 0xbe, 0xcc, 0xac, 0x6b, 0xff, 0x99, 0x7b}; static u_char bch4_vector[] = {0x00, 0x6b, 0x31, 0xdd, 0x41, 0xbc, 0x10}; -/* oob info generated runtime depending on ecc algorithm and layout selected */ -static struct nand_ecclayout omap_oobinfo; - struct omap_nand_info { struct nand_hw_control controller; struct omap_nand_platform_data *pdata; @@ -168,6 +165,8 @@ struct omap_nand_info { u_char *buf; int buf_len; struct gpmc_nand_regs reg; + /* generated at runtime depending on ECC algorithm and layout selected */ + struct nand_ecclayout oobinfo; /* fields specific for BCHx_HW ECC scheme */ struct device *elm_dev; struct device_node *of_node; @@ -1840,7 +1839,7 @@ static int omap_nand_probe(struct platform_device *pdev) } /* populate MTD interface based on ECC scheme */ - ecclayout = &omap_oobinfo; + ecclayout = &info->oobinfo; switch (info->ecc_opt) { case OMAP_ECC_HAM1_CODE_SW: nand_chip->ecc.mode = NAND_ECC_SOFT; |