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usb: musb: gadget: Use fallthrough pseudo-keyword

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In order to enable -Wimplicit-fallthrough for Clang[1], replace the
existing /* FALLTHROUGH */ comment with the new pseudo-keyword
macro fallthrough[2].

[1] https://git.kernel.org/linus/e2079e93f562c7f7a030eb7642017ee5eabaaa10
[2] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20201008222849.GA18634@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo A. R. Silva 2020-10-08 17:28:49 -05:00 committed by Greg Kroah-Hartman
parent 6c8cf36951
commit 93578a25d4
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/musb/musb_gadget_ep0.c
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@ -1024,7 +1024,7 @@ static int musb_g_ep0_halt(struct usb_ep *e, int value)
case MUSB_EP0_STAGE_ACKWAIT: /* STALL for zero-length data */ case MUSB_EP0_STAGE_ACKWAIT: /* STALL for zero-length data */
case MUSB_EP0_STAGE_RX: /* control-OUT data */ case MUSB_EP0_STAGE_RX: /* control-OUT data */
csr = musb_readw(regs, MUSB_CSR0); csr = musb_readw(regs, MUSB_CSR0);
/* FALLTHROUGH */ fallthrough;
/* It's also OK to issue stalls during callbacks when a non-empty /* It's also OK to issue stalls during callbacks when a non-empty
* DATA stage buffer has been read (or even written). * DATA stage buffer has been read (or even written).