usb: musb: dma: Remove unused variable

Remove unused-but-set devctl variable.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20210123142502.16980-3-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 0aacfc8..7acd163 100644 (file)
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -321,8 +321,6 @@ irqreturn_t dma_controller_irq(int irq, void *private_data)
                                musb_channel->channel.status =
                                        MUSB_DMA_STATUS_BUS_ABORT;
                        } else {
-                               u8 devctl;
-
                                addr = musb_read_hsdma_addr(mbase,
                                                bchannel);
                                channel->actual_len = addr
@@ -336,8 +334,6 @@ irqreturn_t dma_controller_irq(int irq, void *private_data)
                                                < musb_channel->len) ?
                                        "=> reconfig 0" : "=> complete");
 
-                               devctl = musb_readb(mbase, MUSB_DEVCTL);
-
                                channel->status = MUSB_DMA_STATUS_FREE;
 
                                /* completed */