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authorKarun Eagalapati <karun256@gmail.com>2017-08-03 16:29:03 +0200
committerKalle Valo <kvalo@codeaurora.org>2017-08-08 13:46:03 +0200
commit67c52a4dafceca8ed63b2d8dc73079059e064399 (patch)
tree2ba0d2e66abe23a73fb504aeded87bf2830c53f6
parentrsi: buffer full check optimization (diff)
downloadlinux-67c52a4dafceca8ed63b2d8dc73079059e064399.tar.xz
linux-67c52a4dafceca8ed63b2d8dc73079059e064399.zip
rsi: buffer available interrupt handling
BUFFER_AVAILABLE interrupt is sent by firmware to indicate change in buffer status. We should check buffer status while handling this interrupt. Currently buffer status is checked only while dequeueing packets. This patch fixes a data traffic stuck problem observed occasionally. Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_sdio_ops.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
index 94a9fcd70dc7..8e2a95c486b0 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
@@ -259,10 +259,12 @@ void rsi_interrupt_handler(struct rsi_hw *adapter)
switch (isr_type) {
case BUFFER_AVAILABLE:
- dev->rx_info.watch_bufferfull_count = 0;
- dev->rx_info.buffer_full = false;
- dev->rx_info.semi_buffer_full = false;
- dev->rx_info.mgmt_buffer_full = false;
+ status = rsi_sdio_check_buffer_status(adapter,
+ 0);
+ if (status < 0)
+ rsi_dbg(ERR_ZONE,
+ "%s: Failed to check buffer status\n",
+ __func__);
rsi_sdio_ack_intr(common->priv,
(1 << PKT_BUFF_AVAILABLE));
rsi_set_event(&common->tx_thread.event);
@@ -270,7 +272,6 @@ void rsi_interrupt_handler(struct rsi_hw *adapter)
rsi_dbg(ISR_ZONE,
"%s: ==> BUFFER_AVAILABLE <==\n",
__func__);
- dev->rx_info.buf_available_counter++;
dev->buff_status_updated = true;
break;