Newer gcc versions warn about unused variables. This patch corrects a few of those warnings that popped up in a pxa build.
Signed-off-by: Mike Dunn mikedunn@newsguy.com --- drivers/mtd/nand/docg4_spl.c | 15 +++++++-------- drivers/usb/gadget/pxa27x_udc.c | 14 +++++--------- 2 files changed, 12 insertions(+), 17 deletions(-)
diff --git a/drivers/mtd/nand/docg4_spl.c b/drivers/mtd/nand/docg4_spl.c index 95e856c..734cbeb 100644 --- a/drivers/mtd/nand/docg4_spl.c +++ b/drivers/mtd/nand/docg4_spl.c @@ -113,7 +113,6 @@ static int docg4_load_block_reliable(uint32_t flash_offset, void *dest_addr) int g4_index = 0; uint16_t flash_status; uint16_t *buf; - uint16_t discard, magic_high, magic_low;
/* flash_offset must be aligned to the start of a block */ if (flash_offset & 0x3ffff) @@ -154,9 +153,9 @@ static int docg4_load_block_reliable(uint32_t flash_offset, void *dest_addr) * The IPL on the palmtreo680 requires that this contain a 32 bit magic * number, or the load aborts. We'll ignore it. */ - discard = readw(docptr + 0x103c); /* hw quirk; 1st read discarded */ - magic_low = readw(docptr + 0x103c); - magic_high = readw(docptr + DOCG4_MYSTERY_REG); + readw(docptr + 0x103c); /* hw quirk; 1st read discarded */ + readw(docptr + 0x103c); /* lower 16 bits of magic number */ + readw(docptr + DOCG4_MYSTERY_REG); /* upper 16 bits of magic number */ writew(0, docptr + DOC_DATAEND); write_nop(docptr); write_nop(docptr); @@ -183,15 +182,15 @@ static int docg4_load_block_reliable(uint32_t flash_offset, void *dest_addr) write_nop(docptr);
/* read the 512 bytes of page data, 2 bytes at a time */ - discard = readw(docptr + 0x103c); + readw(docptr + 0x103c); /* hw quirk */ for (i = 0; i < 256; i++) *buf++ = readw(docptr + 0x103c);
/* read oob, but discard it */ for (i = 0; i < 7; i++) - discard = readw(docptr + 0x103c); - discard = readw(docptr + DOCG4_OOB_6_7); - discard = readw(docptr + DOCG4_OOB_6_7); + readw(docptr + 0x103c); + readw(docptr + DOCG4_OOB_6_7); + readw(docptr + DOCG4_OOB_6_7);
writew(0, docptr + DOC_DATAEND); write_nop(docptr); diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index 71cc0f2..598923d 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -151,7 +151,7 @@ static int udc_read_urb(struct usb_endpoint_instance *endpoint) struct urb *urb = endpoint->rcv_urb; int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK; u32 *data32 = (u32 *) urb->buffer; - unsigned int i, n, is_short ; + unsigned int i, n;
usbdbg("read urb on ep %d", ep_num); #if defined(USBDDBG) && defined(USBDPARANOIA) @@ -165,9 +165,8 @@ static int udc_read_urb(struct usb_endpoint_instance *endpoint) n = readl(UDCBCN(ep_num)) & 0x3ff; else /* zlp */ n = 0; - is_short = n != endpoint->rcv_packetSize;
- usbdbg("n %d%s", n, is_short ? "-s" : ""); + usbdbg("n %d%s", n, n != endpoint->rcv_packetSize ? "-s" : ""); for (i = 0; i < n; i += 4) data32[urb->actual_length / 4 + i / 4] = readl(UDCDN(ep_num));
@@ -402,16 +401,13 @@ static void udc_handle_ep(struct usb_endpoint_instance *endpoint)
static void udc_state_changed(void) { - int config, interface, alternate;
writel(readl(UDCCR) | UDCCR_SMAC, UDCCR);
- config = (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S; - interface = (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S; - alternate = (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S; - usbdbg("New UDC settings are: conf %d - inter %d - alter %d", - config, interface, alternate); + (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S, + (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S, + (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S);
usbd_device_event_irq(udc_device, DEVICE_CONFIGURED, 0); writel(UDCISR1_IRCC, UDCISR1);