diff mbox series

spi: stm32: Don't warn about spurious interrupts

Message ID 20240521105241.62400-2-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 95d7c452a26564ef0c427f2806761b857106d8c4
Headers show
Series spi: stm32: Don't warn about spurious interrupts | expand

Commit Message

Uwe Kleine-König May 21, 2024, 10:52 a.m. UTC
The dev_warn to notify about a spurious interrupt was introduced with
the reasoning that these are unexpected. However spurious interrupts
tend to trigger continously and the error message on the serial console
prevents that the core's detection of spurious interrupts kicks in
(which disables the irq) and just floods the console.

Fixes: c64e7efe46b7 ("spi: stm32: make spurious and overrun interrupts visible")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/spi/spi-stm32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Mark Brown May 30, 2024, 12:22 p.m. UTC | #1
On Tue, 21 May 2024 12:52:42 +0200, Uwe Kleine-König wrote:
> The dev_warn to notify about a spurious interrupt was introduced with
> the reasoning that these are unexpected. However spurious interrupts
> tend to trigger continously and the error message on the serial console
> prevents that the core's detection of spurious interrupts kicks in
> (which disables the irq) and just floods the console.
> 
> 
> [...]

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next

Thanks!

[1/1] spi: stm32: Don't warn about spurious interrupts
      commit: 95d7c452a26564ef0c427f2806761b857106d8c4

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark
diff mbox series

Patch

diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 4a68abcdcc35..21b79dcd8399 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -1055,7 +1055,7 @@  static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id)
 		mask |= STM32H7_SPI_SR_TXP | STM32H7_SPI_SR_RXP;
 
 	if (!(sr & mask)) {
-		dev_warn(spi->dev, "spurious IT (sr=0x%08x, ier=0x%08x)\n",
+		dev_vdbg(spi->dev, "spurious IT (sr=0x%08x, ier=0x%08x)\n",
 			 sr, ier);
 		spin_unlock_irqrestore(&spi->lock, flags);
 		return IRQ_NONE;