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Update patch to use memcpy_toio instead of brcmf_pcie_copy_mem_todev

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This commit is contained in:
Anders Fugmann
2022-04-20 23:30:10 +02:00
committed by Aditya Garg
parent 4c7339c8a0
commit 400ed32f5a
1 changed files with 3 additions and 4 deletions
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8016-brcmfmac-pcie-Provide-a-buffer-of-random-bytes-to-th.patch
+3 -4
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@@ -44,7 +44,7 @@ index 2342d4cd7..74fbbf266 100644
static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo,
const struct firmware *fw, void *nvram,
@@ -1656,11 +1664,34 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo,
@@ -1656,11 +1664,33 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo,
brcmf_pcie_write_ram32(devinfo, devinfo->ci->ramsize - 4, 0);
if (nvram) {
@@ -68,13 +68,12 @@ index 2342d4cd7..74fbbf266 100644
+ brcmf_dbg(PCIE, "Download random seed\n");
+
+ address -= sizeof(footer);
+ brcmf_pcie_copy_mem_todev(devinfo, address, &footer,
+ sizeof(footer));
+ memcpy_toio(devinfo->tcm + address, &footer, sizeof(footer));
+
+ address -= rand_len;
+ randbuf = kzalloc(rand_len, GFP_KERNEL);
+ get_random_bytes(randbuf, rand_len);
+ brcmf_pcie_copy_mem_todev(devinfo, address, randbuf, rand_len);
+ memcpy_toio(devinfo->tcm + address, randbuf, rand_len);
+ kfree(randbuf);
} else {
brcmf_dbg(PCIE, "No matching NVRAM file found %s\n",