diff options
Diffstat (limited to 'target/linux/at91/patches-5.15/240-clk-at91-clk-master-check-if-div-or-pres-is-zero.patch')
-rw-r--r-- | target/linux/at91/patches-5.15/240-clk-at91-clk-master-check-if-div-or-pres-is-zero.patch | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/target/linux/at91/patches-5.15/240-clk-at91-clk-master-check-if-div-or-pres-is-zero.patch b/target/linux/at91/patches-5.15/240-clk-at91-clk-master-check-if-div-or-pres-is-zero.patch deleted file mode 100644 index c78883c8d6..0000000000 --- a/target/linux/at91/patches-5.15/240-clk-at91-clk-master-check-if-div-or-pres-is-zero.patch +++ /dev/null @@ -1,39 +0,0 @@ -From bb8e6ca274763fa98613dbe8b0833348a1d8fe4d Mon Sep 17 00:00:00 2001 -From: Claudiu Beznea <claudiu.beznea@microchip.com> -Date: Mon, 11 Oct 2021 14:27:12 +0300 -Subject: [PATCH 240/247] clk: at91: clk-master: check if div or pres is zero - -Check if div or pres is zero before using it as argument for ffs(). -In case div is zero ffs() will return 0 and thus substracting from -zero will lead to invalid values to be setup in registers. - -Fixes: 7a110b9107ed8 ("clk: at91: clk-master: re-factor master clock") -Fixes: 75c88143f3b87 ("clk: at91: clk-master: add master clock support for SAMA7G5") -Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> -Link: https://lore.kernel.org/r/20211011112719.3951784-9-claudiu.beznea@microchip.com -Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> -Signed-off-by: Stephen Boyd <sboyd@kernel.org> ---- - drivers/clk/at91/clk-master.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/drivers/clk/at91/clk-master.c -+++ b/drivers/clk/at91/clk-master.c -@@ -344,7 +344,7 @@ static int clk_master_pres_set_rate(stru - - else if (pres == 3) - pres = MASTER_PRES_MAX; -- else -+ else if (pres) - pres = ffs(pres) - 1; - - spin_lock_irqsave(master->lock, flags); -@@ -757,7 +757,7 @@ static int clk_sama7g5_master_set_rate(s - - if (div == 3) - div = MASTER_PRES_MAX; -- else -+ else if (div) - div = ffs(div) - 1; - - spin_lock_irqsave(master->lock, flags); |