From 09009512e5e7ab341b1554a256f81dd512c1f4bf Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Mon, 26 Dec 2011 18:28:08 +0100 Subject: [PATCH] b43: fix regression in PIO case MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This patch fixes the regression, introduced by commit 17030f48e31adde5b043741c91ba143f5f7db0fd From: Rafał Miłecki Date: Thu, 11 Aug 2011 17:16:27 +0200 Subject: [PATCH] b43: support new RX header, noticed to be used in 598.314+ fw in PIO case. Signed-off-by: Guennadi Liakhovetski Signed-off-by: John W. Linville --- drivers/net/wireless/b43/pio.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c index fcff923b3c18..279a53eae4c5 100644 --- a/drivers/net/wireless/b43/pio.c +++ b/drivers/net/wireless/b43/pio.c @@ -617,9 +617,19 @@ static bool pio_rx_frame(struct b43_pio_rxqueue *q) const char *err_msg = NULL; struct b43_rxhdr_fw4 *rxhdr = (struct b43_rxhdr_fw4 *)wl->pio_scratchspace; + size_t rxhdr_size = sizeof(*rxhdr); BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(*rxhdr)); - memset(rxhdr, 0, sizeof(*rxhdr)); + switch (dev->fw.hdr_format) { + case B43_FW_HDR_410: + case B43_FW_HDR_351: + rxhdr_size -= sizeof(rxhdr->format_598) - + sizeof(rxhdr->format_351); + break; + case B43_FW_HDR_598: + break; + } + memset(rxhdr, 0, rxhdr_size); /* Check if we have data and wait for it to get ready. */ if (q->rev >= 8) { @@ -657,11 +667,11 @@ data_ready: /* Get the preamble (RX header) */ if (q->rev >= 8) { - b43_block_read(dev, rxhdr, sizeof(*rxhdr), + b43_block_read(dev, rxhdr, rxhdr_size, q->mmio_base + B43_PIO8_RXDATA, sizeof(u32)); } else { - b43_block_read(dev, rxhdr, sizeof(*rxhdr), + b43_block_read(dev, rxhdr, rxhdr_size, q->mmio_base + B43_PIO_RXDATA, sizeof(u16)); } -- 2.20.1