diff mbox series

[v4,3/7] i2c: cht-wc: Use generic_handle_irq_safe().

Message ID 20220211181500.1856198-4-bigeasy@linutronix.de (mailing list archive)
State Accepted
Commit a5ea32579f08b9f612e3091467d01b6503ba24dd
Headers show
Series Provide and use generic_handle_irq_safe() where appropriate. | expand

Commit Message

Sebastian Andrzej Siewior Feb. 11, 2022, 6:14 p.m. UTC
Instead of manually disabling interrupts before invoking use
generic_handle_irq_safe() which can be invoked with enabled and disabled
interrupts.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
---
 drivers/i2c/busses/i2c-cht-wc.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

Comments

Wolfram Sang Feb. 23, 2022, 1:21 p.m. UTC | #1
On Fri, Feb 11, 2022 at 07:14:56PM +0100, Sebastian Andrzej Siewior wrote:
> Instead of manually disabling interrupts before invoking use
> generic_handle_irq_safe() which can be invoked with enabled and disabled
> interrupts.
> 
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
> Acked-by: Wolfram Sang <wsa@kernel.org>

Applied to for-next, thanks!
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
index 1cf68f85b2e11..8ccf0c928bb44 100644
--- a/drivers/i2c/busses/i2c-cht-wc.c
+++ b/drivers/i2c/busses/i2c-cht-wc.c
@@ -99,15 +99,8 @@  static irqreturn_t cht_wc_i2c_adap_thread_handler(int id, void *data)
 	 * interrupt handler as well, so running the client irq handler from
 	 * this thread will cause things to lock up.
 	 */
-	if (reg & CHT_WC_EXTCHGRIRQ_CLIENT_IRQ) {
-		/*
-		 * generic_handle_irq expects local IRQs to be disabled
-		 * as normally it is called from interrupt context.
-		 */
-		local_irq_disable();
-		generic_handle_irq(adap->client_irq);
-		local_irq_enable();
-	}
+	if (reg & CHT_WC_EXTCHGRIRQ_CLIENT_IRQ)
+		generic_handle_irq_safe(adap->client_irq);
 
 	return IRQ_HANDLED;
 }