diff options
Diffstat (limited to 'package/kernel/mac80211/patches/600-23-rt2x00-rt2800mmio-add-a-workaround-for-spurious-TX_F.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/600-23-rt2x00-rt2800mmio-add-a-workaround-for-spurious-TX_F.patch | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/package/kernel/mac80211/patches/600-23-rt2x00-rt2800mmio-add-a-workaround-for-spurious-TX_F.patch b/package/kernel/mac80211/patches/600-23-rt2x00-rt2800mmio-add-a-workaround-for-spurious-TX_F.patch index 7d8d2f5e13..342174f8d5 100644 --- a/package/kernel/mac80211/patches/600-23-rt2x00-rt2800mmio-add-a-workaround-for-spurious-TX_F.patch +++ b/package/kernel/mac80211/patches/600-23-rt2x00-rt2800mmio-add-a-workaround-for-spurious-TX_F.patch @@ -12,7 +12,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> --- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c -@@ -415,9 +415,9 @@ void rt2800mmio_autowake_tasklet(unsigne +@@ -424,9 +424,9 @@ void rt2800mmio_autowake_tasklet(unsigne } EXPORT_SYMBOL_GPL(rt2800mmio_autowake_tasklet); @@ -24,12 +24,12 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> int i; /* -@@ -438,29 +438,77 @@ static void rt2800mmio_txstatus_interrup +@@ -447,29 +447,77 @@ static void rt2800mmio_txstatus_interrup * Since we have only one producer and one consumer we don't * need to lock the kfifo. */ - for (i = 0; i < rt2x00dev->tx->limit; i++) { -- rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO, &status); +- status = rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO); - - if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID)) - break; @@ -47,7 +47,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> + if (++i >= rt2x00dev->tx->limit) + break; + -+ rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO, &status); ++ status = rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO); + } while (rt2x00_get_field32(status, TX_STA_FIFO_VALID)); /* Schedule the tasklet for processing the tx status. */ @@ -87,7 +87,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> - /* Read status and ACK all interrupts */ + /* Read status */ - rt2x00mmio_register_read(rt2x00dev, INT_SOURCE_CSR, ®); + reg = rt2x00mmio_register_read(rt2x00dev, INT_SOURCE_CSR); + + if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) { + /* Due to unknown reason the hardware generates a @@ -96,7 +96,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> + * here to see if we have to process the actual + * request. + */ -+ rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO, &txstatus); ++ txstatus = rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO); + if (rt2800mmio_txstatus_is_spurious(rt2x00dev, txstatus)) { + /* Remove the TX_FIFO_STATUS bit so it won't be + * processed in this turn. The hardware will @@ -111,7 +111,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> rt2x00mmio_register_write(rt2x00dev, INT_SOURCE_CSR, reg); if (!reg) -@@ -477,7 +525,7 @@ irqreturn_t rt2800mmio_interrupt(int irq +@@ -486,7 +534,7 @@ irqreturn_t rt2800mmio_interrupt(int irq mask = ~reg; if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) { |