> -----Original Message-----
> From: ath10k <[email protected]> On Behalf Of Nicolas
> Boichat
> Sent: Tuesday, August 27, 2019 8:08 PM
> To: Wen Gong <[email protected]>
> Cc: Brian Norris <[email protected]>; open list:NETWORKING
> DRIVERS (WIRELESS) <[email protected]>;
> [email protected]
> Subject: [EXT] Re: [PATCH] ath10k: add fw coredump for sdio when firmware
> assert
>
> Just a few nits, this is a lot of code and I'll try to give it a second pass.
>
> On Wed, Aug 21, 2019 at 3:20 PM Wen Gong <[email protected]>
> wrote:
> >
> > When firmware assert, it need coredump to analyze, this patch will
> > collect the register and memory info for sdio chip.
> >
> > The coredump configuration is different between PCIE and SDIO for
> > the same reversion, so this patch add bus type to distinguish PCIE
> > and SDIO chip for coredump.
> >
> > Tested with QCA6174 SDIO with firmware
> > WLAN.RMH.4.4.1-00007-QCARMSWP-1.
> >
> > Signed-off-by: Wen Gong <[email protected]>
> > ---
> > drivers/net/wireless/ath/ath10k/bmi.c | 1 +
> > drivers/net/wireless/ath/ath10k/core.c | 7 +-
> > drivers/net/wireless/ath/ath10k/core.h | 4 +-
> > drivers/net/wireless/ath/ath10k/coredump.c | 338
> +++++++++++++++++++++++++++-
> > drivers/net/wireless/ath/ath10k/coredump.h | 1 +
> > drivers/net/wireless/ath/ath10k/hw.h | 1 +
> > drivers/net/wireless/ath/ath10k/sdio.c | 335
> ++++++++++++++++++++++++++-
> > drivers/net/wireless/ath/ath10k/targaddrs.h | 10 +
> > 8 files changed, 692 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/bmi.c
> b/drivers/net/wireless/ath/ath10k/bmi.c
> > index 95dc4be..990fa4d 100644
> > --- a/drivers/net/wireless/ath/ath10k/bmi.c
> > +++ b/drivers/net/wireless/ath/ath10k/bmi.c
> > @@ -197,6 +197,7 @@ int ath10k_bmi_read_memory(struct ath10k *ar,
> >
> > return 0;
> > }
> > +EXPORT_SYMBOL(ath10k_bmi_read_memory);
> >
> > int ath10k_bmi_write_soc_reg(struct ath10k *ar, u32 address, u32 reg_val)
> > {
> > diff --git a/drivers/net/wireless/ath/ath10k/core.c
> b/drivers/net/wireless/ath/ath10k/core.c
> > index dc45d16..0ea4c36 100644
> > --- a/drivers/net/wireless/ath/ath10k/core.c
> > +++ b/drivers/net/wireless/ath/ath10k/core.c
> > @@ -33,7 +33,6 @@
> > static bool skip_otp;
> > static bool rawmode;
> > static bool fw_diag_log;
> > -
>
> Don't do whitespace changes (unless you're changing code in the area
> anyway).
Will remove this
>
> > unsigned long ath10k_coredump_mask =
> > static int ath10k_init_configure_target(struct ath10k *ar)
> > @@ -1953,6 +1956,8 @@ static void ath10k_core_get_fw_name(struct
> ath10k *ar, char *fw_name,
> > scnprintf(fw_name, fw_name_len, "%s-%d.bin",
> > ATH10K_FW_FILE_BASE, fw_api);
> > break;
> > + default:
> > + break;
>
> Why?
It is a error for build, so add it.
core.c:1815:10: error: enumeration value 'ATH10K_BUS_UNDEF' not handled in
switch [-Werror,-Wswitch]
switch (ar->hif.bus) {
>
> > }
> > }
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/core.h
> b/drivers/net/wireless/ath/ath10k/core.h
> > index 4d7db07..1b52a3c 100644
> > --- a/drivers/net/wireless/ath/ath10k/core.h
> > +++ b/drivers/net/wireless/ath/ath10k/core.h
> > @@ -97,7 +97,9 @@ static inline const char *ath10k_bus_str(enum
> ath10k_bus bus)
> > return "usb";
> > case ATH10K_BUS_SNOC:
> > return "snoc";
> > - }
> > + default:
> > + return "unknown";
> > +}
>
> This change does not look very useful? Also the indentation is broken.
It is a error for build, so add it. same with last one
Will change indentation.
>
>
> >
> > return "unknown";
> > }
> > diff --git a/drivers/net/wireless/ath/ath10k/coredump.c
> b/drivers/net/wireless/ath/ath10k/coredump.c
> > index b6d2932..b287509 100644
> > --- a/drivers/net/wireless/ath/ath10k/coredump.c
> > +++ b/drivers/net/wireless/ath/ath10k/coredump.c
> > @@ -270,6 +270,277 @@
> > {0x80010, 0x80020},
> > };
> >
> > +static const struct ath10k_mem_section
> qca6174_hw30_sdio_register_sections[] = {
> > + {0x800, 0x810},
> > + {0x820, 0x82C},
> > +
> > + /* EFUSE0,1,2 is disabled here
> > + * because it's state may be reset
>
> its state
Will change it
>
> > static const struct ath10k_mem_section qca6174_hw30_register_sections[]
> = {
> > {0x800, 0x810},
> > {0x820, 0x82C},
> > @@ -602,6 +873,59 @@
> > },
> > };
> >
> > +static const struct ath10k_mem_region
> qca6174_hw30_sdio_mem_regions[] = {
> > + {
> > + .type = ATH10K_MEM_REGION_TYPE_DRAM,
> > + .start = 0x400000,
> > + .len = 0xa8000,
> > + .name = "DRAM",
> > + .section_table = {
> > + .sections = NULL,
> > + .size = 0,
>
> Indentation.
Will change it.
>
> > + },
> > + },
> > + {
> > + .type = ATH10K_MEM_REGION_TYPE_AXI,
> > + .start = 0xa0000,
> > + .len = 0x18000,
> > + .name = "AXI",
> > + .section_table = {
> > + .sections = NULL,
> > + .size = 0,
> > + },
> > + },
> > + {
> > + .type = ATH10K_MEM_REGION_TYPE_IRAM1,
> > + .start = 0x00980000,
> > + .len = 0x00080000,
> > + .name = "IRAM1",
> > + .section_table = {
> > + .sections = NULL,
> > + .size = 0,
>
> Indentation
Will change it.
>
> > + },
> > + },
> > + {
> > + .type = ATH10K_MEM_REGION_TYPE_IRAM2,
> > + .start = 0x00a00000,
> > + .len = 0x00040000,
> > + .name = "IRAM2",
> > + .section_table = {
> > + .sections = NULL,
> > + .size = 0,
>
> Indentation
Will change it.
>
> >
> > enum ath10k_bus {
> > + ATH10K_BUS_UNDEF,
>
> Maybe call this "_ANY", given that you use it to match any bus?
Yes, seems ANY is more reasonable
>
> > ATH10K_BUS_PCI,
> > ATH10K_BUS_AHB,
> > ATH10K_BUS_SDIO,
>
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