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Code Issues Releases Wiki Activity

Staging: gasket: Use DIV_ROUND_UP 

Use DIV_ROUND_UP in-kernel function to make code simple and more
understandable.

Issue found using Coccinelle.

Signed-off-by: Madhumitha Prabakaran <madhumithabiw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Madhumitha Prabakaran 2019-04-03 10:06:43 -05:00 committed by Greg Kroah-Hartman
parent e2e89d4a73
commit 740a998d58
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/gasket/gasket_page_table.c
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@ -768,8 +768,7 @@ static bool gasket_is_extended_dev_addr_bad(struct gasket_page_table *pg_tbl,
page_lvl0_idx = gasket_extended_lvl0_page_idx(pg_tbl, dev_addr);
/* Get the count of affected level 0 pages. */
num_lvl0_pages = (num_pages + GASKET_PAGES_PER_SUBTABLE - 1) /
GASKET_PAGES_PER_SUBTABLE;
num_lvl0_pages = DIV_ROUND_UP(num_pages, GASKET_PAGES_PER_SUBTABLE);
if (gasket_components_to_dev_address(pg_tbl, 0, page_global_idx,
page_offset) != dev_addr) {
@ -1258,7 +1257,7 @@ int gasket_alloc_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
dma_addr_t handle;
void *mem;
int j;
unsigned int num_pages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
unsigned int num_pages = DIV_ROUND_UP(size, PAGE_SIZE);
const struct gasket_driver_desc *driver_desc =
gasket_get_driver_desc(gasket_dev);