From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Anderson Date: Wed, 9 Sep 2020 17:04:14 -0400 Subject: [PATCH v4 1/7] wdt: dw: Switch to using fls for log2 In-Reply-To: <20200909210420.243190-1-seanga2@gmail.com> References: <20200909210420.243190-1-seanga2@gmail.com> Message-ID: <20200909210420.243190-2-seanga2@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de log_2_n_round_up is only found in arm. fls performs the same job and is generic. Signed-off-by: Sean Anderson Reviewed-by: Simon Glass --- (no changes since v2) Changes in v2: - Fix fls being off-by-one when compared to log_2_n_round_up drivers/watchdog/designware_wdt.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/watchdog/designware_wdt.c b/drivers/watchdog/designware_wdt.c index 12f09a7a39..f25c8d9ab3 100644 --- a/drivers/watchdog/designware_wdt.c +++ b/drivers/watchdog/designware_wdt.c @@ -9,7 +9,6 @@ #include #include #include -#include #include #define DW_WDT_CR 0x00 @@ -35,7 +34,7 @@ static int designware_wdt_settimeout(void __iomem *base, unsigned int clk_khz, signed int i; /* calculate the timeout range value */ - i = log_2_n_round_up(timeout * clk_khz) - 16; + i = fls(timeout * clk_khz - 1) - 16; i = clamp(i, 0, 15); writel(i | (i << 4), base + DW_WDT_TORR); -- 2.28.0