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cnss2: Minor enhancements for the driver

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Use default RAM dump size if it is not defined in device tree node.
Also print MSI 64-bit address (high and low 32-bit) for debug purpose.

Change-Id: Iff382862e5a04ce995f2ec3bfeffaf7a1f6b78ee
Signed-off-by: Yue Ma <yuem@codeaurora.org>
This commit is contained in:
Yue Ma 2020-12-10 16:36:53 -08:00
commit 5d442d9b68
1 changed files with 7 additions and 1 deletions
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8
drivers/net/wireless/cnss2/pci.c
View file

@ -57,6 +57,7 @@
#define EMULATION_HW 0
#endif
#define RAMDUMP_SIZE_DEFAULT 0x420000
#define DEVICE_RDDM_COOKIE 0xCAFECACE
static DEFINE_SPINLOCK(pci_link_down_lock);
@ -4080,13 +4081,16 @@ void cnss_get_msi_address(struct device *dev, u32 *msi_addr_low,
&control);
pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_LO,
msi_addr_low);
/*return msi high addr only when device support 64 BIT MSI */
/* Return MSI high address only when device supports 64-bit MSI */
if (control & PCI_MSI_FLAGS_64BIT)
pci_read_config_dword(pci_dev,
pci_dev->msi_cap + PCI_MSI_ADDRESS_HI,
msi_addr_high);
else
*msi_addr_high = 0;
cnss_pr_dbg("Get MSI low addr = 0x%x, high addr = 0x%x\n",
*msi_addr_low, *msi_addr_high);
}
EXPORT_SYMBOL(cnss_get_msi_address);
@ -4947,6 +4951,8 @@ static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)
mhi_ctrl->bw_scale = cnss_mhi_bw_scale;
mhi_ctrl->rddm_size = pci_priv->plat_priv->ramdump_info_v2.ramdump_size;
if (!mhi_ctrl->rddm_size)
mhi_ctrl->rddm_size = RAMDUMP_SIZE_DEFAULT;
mhi_ctrl->sbl_size = SZ_512K;
mhi_ctrl->seg_len = SZ_512K;
mhi_ctrl->fbc_download = true;