firmware: ti_sci: Use devm_bitmap_zalloc when applicable

'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

diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
index 6d2fd0f..039d92a 100644 (file)
--- a/drivers/firmware/ti_sci.c
+++ b/drivers/firmware/ti_sci.c
@@ -3398,13 +3398,11 @@ static int ti_sci_probe(struct platform_device *pdev)
        if (!minfo->xfer_block)
                return -ENOMEM;
 
-       minfo->xfer_alloc_table = devm_kcalloc(dev,
-                                              BITS_TO_LONGS(desc->max_msgs),
-                                              sizeof(unsigned long),
-                                              GFP_KERNEL);
+       minfo->xfer_alloc_table = devm_bitmap_zalloc(dev,
+                                                    desc->max_msgs,
+                                                    GFP_KERNEL);
        if (!minfo->xfer_alloc_table)
                return -ENOMEM;
-       bitmap_zero(minfo->xfer_alloc_table, desc->max_msgs);
 
        /* Pre-initialize the buffer pointer to pre-allocated buffers */
        for (i = 0, xfer = minfo->xfer_block; i < desc->max_msgs; i++, xfer++) {