AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

regmap: Fixes for v3.13

Browse Source 
Two small changes to fix some error handling and checking (both of which
 would be quite serious if the errors trigger) plus a trivial
 documentation fix.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.15 (GNU/Linux)
 
 iQIcBAABAgAGBQJSqw5tAAoJELSic+t+oim9s5sP/3djfdZfsi0qm4hi6paMc6pF
 KyP92oHwiMu5RyCV+4UVwtaZnbtBip9uI2z3AB3sozJFNVmSNZ7OoTP2lS1vkLQ+
 1XcfJH65m3SPWXliixEjnfUT0UcgXBCDVREcuGX/Iu7RfQzplDfhco2LtfaDbzAa
 pTD/Q6vDFxGAm0lGBOPtZ0CB14jb9i0qD4HHBY1TG7YchgLQBe6VC6JB23fGN/Y9
 1+rBvS03xrBw6h9RaFLVX7Bk4/i0jrj2UpUy8C3cqK8VdJYLKx06M13oP31mQcwo
 jDusm8Pz0SSiT6b8pt334QpU2YvtTNqEAZ1Kp6hZRhGuRqJr0Qb/k+l85koeiT++
 +bYht3yTL9/uqQ1felViH4hvvuRhjyHuaaEPinaWyQJhYsP87dG24h9iWG8fE3k7
 ft2C+7ho+q8ecW8O48eC9hWFLEBLR9tMNfQM6soHT1h4YsQM3AMih5AhjHdJlavH
 yyviE6Nog6279XzJHZb6pcRyIKUKR51fsjaF6ofTWJt5zG4npF3wG96JnHtuPMgh
 iIqSSbjBdBRwZ39S1RW2Q+pCai3FpXyVQAlCl7XXWKLTjfLVnMDXQ6VMy4a51UL4
 D4fFVlR0nIjeWUTY0vBnFEc+4lYn83aMkkHh/xW+wmzuXstEl7KB/rkD3+EW5Hpu
 KZWJmo3xow1oUtziJYDv
 =YKD0
 -----END PGP SIGNATURE-----

Merge tag 'regmap-v3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "Two small changes to fix some error handling and checking (both of
  which would be quite serious if the errors trigger) plus a trivial
  documentation fix"

* tag 'regmap-v3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: use IS_ERR() to check clk_get() results
  regmap: make sure we unlock on failure in regmap_bulk_write
  regmap: trivial comment fix (copy'n'paste error)
This commit is contained in:
Linus Torvalds 2013-12-13 11:38:35 -08:00
commit 599eefa03f
2 changed files with 10 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/base/regmap/regmap-mmio.c
View File

@ -40,7 +40,7 @@ static int regmap_mmio_gather_write(void *context,
BUG_ON(reg_size != 4);
if (ctx->clk) {
if (!IS_ERR(ctx->clk)) {
ret = clk_enable(ctx->clk);
if (ret < 0)
return ret;
@ -73,7 +73,7 @@ static int regmap_mmio_gather_write(void *context,
offset += ctx->val_bytes;
}
if (ctx->clk)
if (!IS_ERR(ctx->clk))
clk_disable(ctx->clk);
return 0;
@ -96,7 +96,7 @@ static int regmap_mmio_read(void *context,
BUG_ON(reg_size != 4);
if (ctx->clk) {
if (!IS_ERR(ctx->clk)) {
ret = clk_enable(ctx->clk);
if (ret < 0)
return ret;
@ -129,7 +129,7 @@ static int regmap_mmio_read(void *context,
offset += ctx->val_bytes;
}
if (ctx->clk)
if (!IS_ERR(ctx->clk))
clk_disable(ctx->clk);
return 0;
@ -139,7 +139,7 @@ static void regmap_mmio_free_context(void *context)
{
struct regmap_mmio_context *ctx = context;
if (ctx->clk) {
if (!IS_ERR(ctx->clk)) {
clk_unprepare(ctx->clk);
clk_put(ctx->clk);
}
@ -209,6 +209,7 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
ctx->regs = regs;
ctx->val_bytes = config->val_bits / 8;
ctx->clk = ERR_PTR(-ENODEV);
if (clk_id == NULL)
return ctx;

8
drivers/base/regmap/regmap.c
View File

@ -1549,7 +1549,7 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
val + (i * val_bytes),
val_bytes);
if (ret != 0)
return ret;
goto out;
}
} else {
ret = _regmap_raw_write(map, reg, wval, val_bytes * val_count);
@ -1743,7 +1743,7 @@ static int _regmap_read(struct regmap *map, unsigned int reg,
/**
* regmap_read(): Read a value from a single register
*
* @map: Register map to write to
* @map: Register map to read from
* @reg: Register to be read from
* @val: Pointer to store read value
*
@ -1770,7 +1770,7 @@ EXPORT_SYMBOL_GPL(regmap_read);
/**
* regmap_raw_read(): Read raw data from the device
*
* @map: Register map to write to
* @map: Register map to read from
* @reg: First register to be read from
* @val: Pointer to store read value
* @val_len: Size of data to read
@ -1882,7 +1882,7 @@ EXPORT_SYMBOL_GPL(regmap_fields_read);
/**
* regmap_bulk_read(): Read multiple registers from the device
*
* @map: Register map to write to
* @map: Register map to read from
* @reg: First register to be read from
* @val: Pointer to store read value, in native register size for device
* @val_count: Number of registers to read