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[2a01:c22:7b37:4900::e63]) by smtp.googlemail.com with ESMTPSA id r16-20020a1709067fd000b00a3e88f99cf1sm412710ejs.149.2024.02.18.09.41.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Feb 2024 09:41:56 -0800 (PST) From: Martin Blumenstingl To: daniel.lezcano@linaro.org, tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, andrea.merello@gmail.com, patrice.chotard@foss.st.com, linux-amlogic@lists.infradead.org, Martin Blumenstingl Subject: [PATCH v1 1/2] clocksource/drivers/arm_global_timer: Fix maximum prescaler value Date: Sun, 18 Feb 2024 18:41:37 +0100 Message-ID: <20240218174138.1942418-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240218174138.1942418-1-martin.blumenstingl@googlemail.com> References: <20240218174138.1942418-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240218_094158_526449_A634C289 X-CRM114-Status: GOOD ( 11.11 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The prescaler in the "Global Timer Control Register bit assignments" is documented to use bits [15:8], which means that the maximum prescaler register value is 0xff. Fixes: 171b45a4a70e ("clocksource/drivers/arm_global_timer: Implement rate compensation whenever source clock changes") Signed-off-by: Martin Blumenstingl --- drivers/clocksource/arm_global_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c index 44a61dc6f932..e1c773bb5535 100644 --- a/drivers/clocksource/arm_global_timer.c +++ b/drivers/clocksource/arm_global_timer.c @@ -32,7 +32,7 @@ #define GT_CONTROL_IRQ_ENABLE BIT(2) /* banked */ #define GT_CONTROL_AUTO_INC BIT(3) /* banked */ #define GT_CONTROL_PRESCALER_SHIFT 8 -#define GT_CONTROL_PRESCALER_MAX 0xF +#define GT_CONTROL_PRESCALER_MAX 0xFF #define GT_CONTROL_PRESCALER_MASK (GT_CONTROL_PRESCALER_MAX << \ GT_CONTROL_PRESCALER_SHIFT) -- 2.43.2 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic