Re: [PATCH 20/24] serial: rda: free the interrupt on shutdown

[Manivannan Sadhasivam]

On Tue, Oct 27, 2026 at 12:06:46PM +0100, Greg Kroah-Hartman wrote:
> From: Josef Bacik <josef@xxxxxxxxxxxxxx>
> 
> rda_uart_startup() requests the interrupt, and nothing ever frees it.
> It is not shared, so once the port has been closed, the next startup
> fails with -EBUSY and the port cannot be opened any more.
> 
> Free it in rda_uart_shutdown().
> 
> Fixes: c10b13325ced ("tty: serial: Add RDA8810PL UART driver")
> Cc: stable <stable@xxxxxxxxxx>
> Cc: Manivannan Sadhasivam <mani@xxxxxxxxxx>
> Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: "Andreas Färber" <afaerber@xxxxxxx>
> Cc: Olof Johansson <olof@xxxxxxxxx>
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>

- Mani

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