[PATCH] ath11k: add 64bit check before reading msi high addr

[Kalle Valo]

Anilkumar Kolli <akolli at codeaurora.org> wrote:

> In QCN9074 ath11k boot, firmware crash is observed in 64-bit
> builds and is due to wrong 64 bit MSI address size. This patch
> fixes the firmware crash. Read msi high addr if 64-bit addresses
> allowed on MSI.
> 
> Tested-On: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1.r1-00026-QCAHKSWPL_SILICONZ-2
> 
> Signed-off-by: Anilkumar Kolli <akolli at codeaurora.org>

Fails to build:

drivers/net/wireless/ath/ath11k/pci.c: In function 'ath11k_pci_get_msi_address':
drivers/net/wireless/ath/ath11k/pci.c:273:43: error: 'ab_pci' undeclared (first use in this function); did you mean 'ar_pci'?
  273 |  if (test_bit(ATH11K_PCI_FLAG_IS_MSI_64, &ab_pci->flags)) {
      |                                           ^~~~~~
      |                                           ar_pci
drivers/net/wireless/ath/ath11k/pci.c:273:43: note: each undeclared identifier is reported only once for each function it appears in
drivers/net/wireless/ath/ath11k/pci.c:267:21: warning: unused variable 'ar_pci' [-Wunused-variable]
  267 |  struct ath11k_pci *ar_pci = ath11k_pci_priv(ab);
      |                     ^~~~~~
make[5]: *** [drivers/net/wireless/ath/ath11k/pci.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [drivers/net/wireless/ath/ath11k] Error 2
make[3]: *** [drivers/net/wireless/ath] Error 2
make[2]: *** [drivers/net/wireless] Error 2
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2

Patch set to Changes Requested.

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1605758301-11249-1-git-send-email-akolli@codeaurora.org/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches