diff options
author | Conor Dooley <conor.dooley@microchip.com> | 2023-03-07 20:22:53 +0000 |
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committer | Conor Dooley <conor.dooley@microchip.com> | 2023-04-03 19:25:52 +0100 |
commit | da82f95f7c0752f36cdb8ff99d543004e4e3acdf (patch) | |
tree | 4c4cb08b304942ff78d2214e123396f981820ac1 /drivers/mailbox | |
parent | b5984a9844fc45cd301a28fb56f3de95f7e20f3c (diff) | |
download | linux-stable-da82f95f7c0752f36cdb8ff99d543004e4e3acdf.tar.gz linux-stable-da82f95f7c0752f36cdb8ff99d543004e4e3acdf.tar.bz2 linux-stable-da82f95f7c0752f36cdb8ff99d543004e4e3acdf.zip |
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 <jaswinder.singh@linaro.org>
Tested-by: Valentina Fernandez <valentina.fernandezalanis@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'drivers/mailbox')
-rw-r--r-- | drivers/mailbox/mailbox-mpfs.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/mailbox/mailbox-mpfs.c b/drivers/mailbox/mailbox-mpfs.c index e0e825bdbad9..0d176aba3462 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); |