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coresight: set only required bits in the bitmap 

Register value passed to the bitmap_fill was incorrectly setting
unnecessary extra bits in bitmap. Set only required bits in the bitmap.

Change-Id: I00630d1fd0c4ef759f45cd13efa121baa3e4df11
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
This commit is contained in:
Sarangdhar Joshi 2015-01-23 18:43:27 -08:00
parent ee5579b1fc
commit 29bf969f2a
1 changed files with 6 additions and 2 deletions
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8
drivers/coresight/coresight-tpdm.c
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@ -650,7 +650,7 @@ static const struct attribute_group *tpdm_attr_grps[] = {
static int tpdm_probe(struct platform_device *pdev)
{
int ret;
int ret, i;
uint32_t pidr;
struct device *dev = &pdev->dev;
struct coresight_platform_data *pdata;
@ -698,7 +698,11 @@ static int tpdm_probe(struct platform_device *pdev)
clk_disable_unprepare(drvdata->clk);
bitmap_fill(drvdata->datasets, pidr);
for (i = 0; i < TPDM_DATASETS; i++) {
if (pidr & BIT(i))
__set_bit(i, drvdata->datasets);
}
if (test_bit(TPDM_DS_CMB, drvdata->datasets)) {
drvdata->cmb = devm_kzalloc(dev, sizeof(*drvdata->cmb),
GFP_KERNEL);