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authorDedy Lansky <qca_dlansky@qca.qualcomm.com>2017-09-04 12:00:50 +0300
committerGerrit - the friendly Code Review server <code-review@localhost>2017-09-10 00:22:17 -0700
commit89553114efe781baae223fc1867e37e64546a09e (patch)
treea2d992335279e628d22051fbd5a37211282c6dea
parent8e502e8bc0ac13ee60aca6d49f4a6fb1a8771579 (diff)
wil6210: clear PAL_UNIT_ICR part of device reset
When FW starts running it can get D0 to D3 interrupt that is a leftover from previous system suspend while FW was not running. As this interrupt is not relevant anymore, clear it part of device reset procedure. Change-Id: I213a18fd59a500914ab22f75a72393786188a08e Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com> Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> Git-commit: 7086d861753bc0aaa8b6445f657d8e39953e4fcd Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git Signed-off-by: Maya Erez <merez@codeaurora.org>
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c2
-rw-r--r--drivers/net/wireless/ath/wil6210/wil6210.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index db8bc5a6d893..e39e3dbb62e9 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -944,6 +944,8 @@ static void wil_pre_fw_config(struct wil6210_priv *wil)
/* it is W1C, clear by writing back same value */
wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
+ /* clear PAL_UNIT_ICR (potential D0->D3 leftover) */
+ wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), 0);
if (wil->fw_calib_result > 0) {
__le32 val = cpu_to_le32(wil->fw_calib_result |
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 790279e893e6..673a953fcf6e 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -275,6 +275,7 @@ struct RGF_ICR {
#define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
#define RGF_HP_CTRL (0x88265c)
+#define RGF_PAL_UNIT_ICR (0x88266c) /* struct RGF_ICR */
#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
/* MAC timer, usec, for packet lifetime */