Messages in this thread | | | Subject | Re: [PATCH 1/2] serial: stm32: reset dma buffers during probe | From | Erwan LE RAY <> | Date | Thu, 10 Jun 2021 10:54:20 +0200 |
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Hi Greg,
Thanks for your question. This old patch is finally not necessary any more. You can cancel this series, I will resend the second patch.
Best regards, Erwan.
On 5/27/21 11:49 AM, Greg Kroah-Hartman wrote: > On Thu, May 27, 2021 at 11:15:36AM +0200, Erwan Le Ray wrote: >> Reset Rx and Tx dma buffers during probe to avoid freeing >> invalid buffer in no dma mode. >> >> Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com> >> >> diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c >> index c2ae7b392b86..2ac3b30477a7 100644 >> --- a/drivers/tty/serial/stm32-usart.c >> +++ b/drivers/tty/serial/stm32-usart.c >> @@ -1168,6 +1168,8 @@ static struct stm32_port *stm32_usart_of_get_port(struct platform_device *pdev) >> stm32_ports[id].cr1_irq = USART_CR1_RXNEIE; >> stm32_ports[id].cr3_irq = 0; >> stm32_ports[id].last_res = RX_BUF_L; >> + stm32_ports[id].rx_dma_buf = 0; >> + stm32_ports[id].tx_dma_buf = 0; >> return &stm32_ports[id]; >> } >> >> -- >> 2.17.1 >> > > Is this a bugfix? if so, what commit does this fix and does it need to > be backported anywhere? > > thanks, > > greg k-h >
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