From: Conor Dooley Date: Tue, 7 Mar 2023 20:22:53 +0000 (+0000) Subject: mailbox: mpfs: ditch a useless busy check X-Git-Tag: v6.4-rc1~170^2~12^2~1^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=da82f95f7c0752f36cdb8ff99d543004e4e3acdf;p=thirdparty%2Flinux.git mailbox: mpfs: ditch a useless busy check mpfs_mbox_rx_data() already checks if the system controller is busy before attempting to do anything, so drop the second check before reading any data. No functional change intended. Acked-by: Jassi Brar Tested-by: Valentina Fernandez Signed-off-by: Conor Dooley --- diff --git a/drivers/mailbox/mailbox-mpfs.c b/drivers/mailbox/mailbox-mpfs.c index e0e825bdbad90..0d176aba34624 100644 --- a/drivers/mailbox/mailbox-mpfs.c +++ b/drivers/mailbox/mailbox-mpfs.c @@ -170,12 +170,10 @@ static void mpfs_mbox_rx_data(struct mbox_chan *chan) if (response->resp_status) return; - if (!mpfs_mbox_busy(mbox)) { - for (i = 0; i < num_words; i++) { - response->resp_msg[i] = - readl_relaxed(mbox->mbox_base - + mbox->resp_offset + i * 0x4); - } + for (i = 0; i < num_words; i++) { + response->resp_msg[i] = + readl_relaxed(mbox->mbox_base + + mbox->resp_offset + i * 0x4); } mbox_chan_received_data(chan, response);