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authorLee Jones <lee.jones@linaro.org>2020-07-06 14:33:39 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-09 17:19:59 +0200
commitd45f72bc3b19c0d3b6d0c8c534d210abc3268526 (patch)
tree17d051288d2db20c8596db638ab8689b769f4369 /drivers/usb/host
parentb789710de583f069609cc626651556b81e6f23dc (diff)
usb: host: fhci-tds: Remove unused variables 'buf' and 'extra_data'
Neither have been used since the driver's inception in 2009. Fixes the following W=1 kernel build warning(s): drivers/usb/host/fhci-tds.c: In function ‘fhci_flush_bds’: drivers/usb/host/fhci-tds.c:472:6: warning: variable ‘buf’ set but not used [-Wunused-but-set-variable] 472 | u32 buf; | ^~~ drivers/usb/host/fhci-tds.c:470:6: warning: variable ‘extra_data’ set but not used [-Wunused-but-set-variable] 470 | u16 extra_data; | ^~~~~~~~~~ drivers/usb/host/fhci-tds.c: In function ‘fhci_flush_actual_frame’: drivers/usb/host/fhci-tds.c:527:6: warning: variable ‘extra_data’ set but not used [-Wunused-but-set-variable] 527 | u16 extra_data; | ^~~~~~~~~~ Cc: Shlomi Gridish <gridish@freescale.com> Cc: Jerry Huang <Chang-Ming.Huang@freescale.com> Cc: Peter Barada <peterb@logicpd.com> Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200706133341.476881-31-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/fhci-tds.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c
index f3308ce25043..d98fd9e1af0b 100644
--- a/drivers/usb/host/fhci-tds.c
+++ b/drivers/usb/host/fhci-tds.c
@@ -467,17 +467,15 @@ u32 fhci_host_transaction(struct fhci_usb *usb,
/* Reset the Tx BD ring */
void fhci_flush_bds(struct fhci_usb *usb)
{
- u16 extra_data;
u16 td_status;
- u32 buf;
struct usb_td __iomem *td;
struct endpoint *ep = usb->ep0;
td = ep->td_base;
while (1) {
td_status = in_be16(&td->status);
- buf = in_be32(&td->buf_ptr);
- extra_data = in_be16(&td->extra);
+ in_be32(&td->buf_ptr);
+ in_be16(&td->extra);
/* if the TD is not empty - we'll confirm it as Timeout */
if (td_status & TD_R)
@@ -524,7 +522,6 @@ void fhci_flush_actual_frame(struct fhci_usb *usb)
{
u8 mode;
u16 tb_ptr;
- u16 extra_data;
u16 td_status;
u32 buf_ptr;
struct usb_td __iomem *td;
@@ -538,7 +535,7 @@ void fhci_flush_actual_frame(struct fhci_usb *usb)
td = cpm_muram_addr(tb_ptr);
td_status = in_be16(&td->status);
buf_ptr = in_be32(&td->buf_ptr);
- extra_data = in_be16(&td->extra);
+ in_be16(&td->extra);
do {
if (td_status & TD_R) {
out_be16(&td->status, (td_status & ~TD_R) | TD_TO);
@@ -552,7 +549,7 @@ void fhci_flush_actual_frame(struct fhci_usb *usb)
td = next_bd(ep->td_base, td, td_status);
td_status = in_be16(&td->status);
buf_ptr = in_be32(&td->buf_ptr);
- extra_data = in_be16(&td->extra);
+ in_be16(&td->extra);
} while ((td_status & TD_R) || buf_ptr);
fhci_td_transaction_confirm(usb);