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firmware: ti_sci: Use devm_bitmap_zalloc when applicable 

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2183343

'xfer_alloc_table' is a bitmap. So use 'devm_bitmap_zalloc()' to simplify
code and improve the semantic of the code.

While at it, remove a redundant 'bitmap_zero()' call.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/43ab1a7dd073d0d037d5d4bbbd5f8335de605826.1667457664.git.christophe.jaillet@wanadoo.fr
(cherry picked from commit 26507b033e84be6f821dc1693d667b5c809a7679)
Signed-off-by: Sebastian Ott <sebott@redhat.com>
This commit is contained in:
Sebastian Ott 2023-06-20 12:51:17 -04:00
parent 1199180ba5
commit a897874f3b
1 changed files with 3 additions and 5 deletions
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8
drivers/firmware/ti_sci.c
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@ -3398,13 +3398,11 @@ static int ti_sci_probe(struct platform_device *pdev)
if (!minfo->xfer_block) if (!minfo->xfer_block)
return -ENOMEM; return -ENOMEM;
minfo->xfer_alloc_table = devm_kcalloc(dev, minfo->xfer_alloc_table = devm_bitmap_zalloc(dev,
BITS_TO_LONGS(desc->max_msgs), desc->max_msgs,
sizeof(unsigned long), GFP_KERNEL);
GFP_KERNEL);
if (!minfo->xfer_alloc_table) if (!minfo->xfer_alloc_table)
return -ENOMEM; return -ENOMEM;
bitmap_zero(minfo->xfer_alloc_table, desc->max_msgs);
/* Pre-initialize the buffer pointer to pre-allocated buffers */ /* Pre-initialize the buffer pointer to pre-allocated buffers */
for (i = 0, xfer = minfo->xfer_block; i < desc->max_msgs; i++, xfer++) { for (i = 0, xfer = minfo->xfer_block; i < desc->max_msgs; i++, xfer++) {