linux-kernel - Re: [PATCH 13/15] can: tcan4x5x: Fix use of register error status mask

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Message-ID: <20221202141935.u6flbbsewkh6nrzw@pengutronix.de>
Date:   Fri, 2 Dec 2022 15:19:35 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Markus Schneider-Pargmann <msp@...libre.com>
Cc:     Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/15] can: tcan4x5x: Fix use of register error status
 mask

On 16.11.2022 21:53:06, Markus Schneider-Pargmann wrote:
> TCAN4X5X_ERROR_STATUS is not a status register that needs clearing
> during interrupt handling. Instead this is a masking register that masks
> error interrupts. Writing TCAN4X5X_CLEAR_ALL_INT to this register
> effectively masks everything.
> 
> Rename the register and mask all error interrupts only once by writing
> to the register in tcan4x5x_init.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>

please add a fixes tag.

Marc

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