The driver already supports device coredump initiated by firmware
event. Since commit 3c47d19ff4dc ("drivers: base: add coredump driver
ops") it is also possible to initiate it from user-space through
sysfs. This patch adds support for SDIO and PCIe devices.
Reviewed-by: Hante Meuleman <hante.meuleman@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@xxxxxxxxxxxx>
Reviewed-by: Franky Lin <franky.lin@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 1 +
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h | 2 ++
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 8 ++++++++
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 1 +
4 files changed, 12 insertions(+)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index a191541..d2f788d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -1165,6 +1165,7 @@ static int brcmf_ops_sdio_resume(struct device *dev)
#ifdef CONFIG_PM_SLEEP
.pm = &brcmf_sdio_pm_ops,
#endif /* CONFIG_PM_SLEEP */
+ .coredump = brcmf_dev_coredump,
},
};
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
index 27e693e..c496518 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
@@ -250,6 +250,8 @@ int brcmf_bus_get_fwname(struct brcmf_bus *bus, const char *ext,
void brcmf_detach(struct device *dev);
/* Indication from bus module that dongle should be reset */
void brcmf_dev_reset(struct device *dev);
+/* Request from bus module to initiate a coredump */
+void brcmf_dev_coredump(struct device *dev);
/* Configure the "global" bus state used by upper layers */
void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 8d4511e..72954fd 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -1180,6 +1180,14 @@ void brcmf_dev_reset(struct device *dev)
brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1);
}
+void brcmf_dev_coredump(struct device *dev)
+{
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+
+ if (brcmf_debug_create_memdump(bus_if, NULL, 0) < 0)
+ brcmf_dbg(TRACE, "failed to create coredump\n");
+}
+
void brcmf_detach(struct device *dev)
{
s32 i;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index f0797ae..5baa837 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -2044,6 +2044,7 @@ static int brcmf_pcie_pm_leave_D3(struct device *dev)
#ifdef CONFIG_PM
.driver.pm = &brcmf_pciedrvr_pm,
#endif
+ .driver.coredump = brcmf_dev_coredump,
};
--
1.9.1
