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broadcom_sta: fix build on 5.6

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This commit is contained in:
Matthieu Coudron 2020-04-08 18:30:45 +02:00
parent 8f43c55598
commit 8ce65087c3
2 changed files with 89 additions and 0 deletions
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2
pkgs/os-specific/linux/broadcom-sta/default.nix
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@ -35,6 +35,8 @@ stdenv.mkDerivation {
./linux-4.12.patch
./linux-4.15.patch
./linux-5.1.patch
# source: https://salsa.debian.org/Herrie82-guest/broadcom-sta/-/commit/247307926e5540ad574a17c062c8da76990d056f
./linux-5.6.patch
./null-pointer-fix.patch
./gcc.patch
];

87
pkgs/os-specific/linux/broadcom-sta/linux-5.6.patch Normal file
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@ -0,0 +1,87 @@
From dd057e40a167f4febb1a7c77dd32b7d36056952c Mon Sep 17 00:00:00 2001
From: Herman van Hazendonk <github.com@herrie.org>
Date: Tue, 31 Mar 2020 17:09:55 +0200
Subject: [PATCH] Add fixes for 5.6 kernel
Use ioremap instead of ioremap_nocache and proc_ops instead of file_operations on Linux kernel 5.6 and above.
Signed-off-by: Herman van Hazendonk <github.com@herrie.org>
---
src/shared/linux_osl.c | 6 +++++-
src/wl/sys/wl_linux.c | 21 ++++++++++++++++++++-
2 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/src/shared/linux_osl.c b/src/shared/linux_osl.c
index 6157d18..dcfc075 100644
--- a/src/shared/linux_osl.c
+++ b/src/shared/linux_osl.c
@@ -942,7 +942,11 @@ osl_getcycles(void)
void *
osl_reg_map(uint32 pa, uint size)
{
- return (ioremap_nocache((unsigned long)pa, (unsigned long)size));
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
+ return (ioremap((unsigned long)pa, (unsigned long)size));
+ #else
+ return (ioremap_nocache((unsigned long)pa, (unsigned long)size));
+ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0) */
}
void
diff --git a/src/wl/sys/wl_linux.c b/src/wl/sys/wl_linux.c
index 0d05100..6d9dd0d 100644
--- a/src/wl/sys/wl_linux.c
+++ b/src/wl/sys/wl_linux.c
@@ -582,10 +582,17 @@ wl_attach(uint16 vendor, uint16 device, ulong regs,
}
wl->bcm_bustype = bustype;
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
+ if ((wl->regsva = ioremap(dev->base_addr, PCI_BAR0_WINSZ)) == NULL) {
+ WL_ERROR(("wl%d: ioremap() failed\n", unit));
+ goto fail;
+ }
+ #else
if ((wl->regsva = ioremap_nocache(dev->base_addr, PCI_BAR0_WINSZ)) == NULL) {
WL_ERROR(("wl%d: ioremap() failed\n", unit));
goto fail;
}
+ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0) */
wl->bar1_addr = bar1_addr;
wl->bar1_size = bar1_size;
@@ -772,8 +779,13 @@ wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if ((val & 0x0000ff00) != 0)
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
bar1_size = pci_resource_len(pdev, 2);
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
+ bar1_addr = (uchar *)ioremap(pci_resource_start(pdev, 2),
+ bar1_size);
+ #else
bar1_addr = (uchar *)ioremap_nocache(pci_resource_start(pdev, 2),
bar1_size);
+ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0) */
wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), PCI_BUS, pdev,
pdev->irq, bar1_addr, bar1_size);
@@ -3335,12 +3347,19 @@ wl_proc_write(struct file *filp, const char __user *buff, size_t length, loff_t
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
+static const struct proc_ops wl_fops = {
+ .proc_read = wl_proc_read,
+ .proc_write = wl_proc_write,
+};
+#else
static const struct file_operations wl_fops = {
.owner = THIS_MODULE,
.read = wl_proc_read,
.write = wl_proc_write,
};
-#endif
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0) */
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0) */
static int
wl_reg_proc_entry(wl_info_t *wl)