wil6210 devices can have different PCIe bar size, hence get the
bar size from PCIe device instead of using a constant bar size.
Signed-off-by: Maya Erez <qca_merez@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/ioctl.c | 4 ++--
drivers/net/wireless/ath/wil6210/pcie_bus.c | 17 ++++++++++-------
drivers/net/wireless/ath/wil6210/wil6210.h | 4 +++-
drivers/net/wireless/ath/wil6210/wmi.c | 4 ++--
4 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/ath/wil6210/ioctl.c b/drivers/net/wireless/ath/wil6210/ioctl.c
index 6303800..1c49ad8 100644
--- a/drivers/net/wireless/ath/wil6210/ioctl.c
+++ b/drivers/net/wireless/ath/wil6210/ioctl.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014 Qualcomm Atheros, Inc.
+ * Copyright (c) 2014,2017 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -46,7 +46,7 @@ static void __iomem *wil_ioc_addr(struct wil6210_priv *wil, uint32_t addr,
}
off = a - wil->csr;
- if (size >= WIL6210_MEM_SIZE - off) {
+ if (size >= wil->bar_size - off) {
wil_err(wil, "Requested block does not fit into memory: "
"off = 0x%08x size = 0x%08x\n", off, size);
return NULL;
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index 33bd85c..bf9f265 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -200,16 +200,18 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
.ramdump = wil_platform_rop_ramdump,
.fw_recovery = wil_platform_rop_fw_recovery,
};
+ u32 bar_size = pci_resource_len(pdev, 0);
/* check HW */
dev_info(&pdev->dev, WIL_NAME
- " device found [%04x:%04x] (rev %x)\n",
- (int)pdev->vendor, (int)pdev->device, (int)pdev->revision);
-
- if (pci_resource_len(pdev, 0) != WIL6210_MEM_SIZE) {
- dev_err(&pdev->dev, "Not " WIL_NAME "? "
- "BAR0 size is %lu while expecting %lu\n",
- (ulong)pci_resource_len(pdev, 0), WIL6210_MEM_SIZE);
+ " device found [%04x:%04x] (rev %x) bar size 0x%x\n",
+ (int)pdev->vendor, (int)pdev->device, (int)pdev->revision,
+ bar_size);
+
+ if ((bar_size < WIL6210_MIN_MEM_SIZE) ||
+ (bar_size > WIL6210_MAX_MEM_SIZE)) {
+ dev_err(&pdev->dev, "Unexpected BAR0 size 0x%x\n",
+ bar_size);
return -ENODEV;
}
@@ -222,6 +224,7 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
wil->pdev = pdev;
pci_set_drvdata(pdev, wil);
+ wil->bar_size = bar_size;
/* rollback to if_free */
wil->platform_handle =
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index fe942ba..ca532c7 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -58,7 +58,8 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
return (x >> b0) & ((1 << (b1 - b0 + 1)) - 1);
}
-#define WIL6210_MEM_SIZE (2*1024*1024UL)
+#define WIL6210_MIN_MEM_SIZE (2 * 1024 * 1024UL)
+#define WIL6210_MAX_MEM_SIZE (4 * 1024 * 1024UL)
#define WIL_TX_Q_LEN_DEFAULT (4000)
#define WIL_RX_RING_SIZE_ORDER_DEFAULT (10)
@@ -599,6 +600,7 @@ struct blink_on_off_time {
struct wil6210_priv {
struct pci_dev *pdev;
+ u32 bar_size;
struct wireless_dev *wdev;
void __iomem *csr;
DECLARE_BITMAP(status, wil_status_last);
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 814c356..93902cb 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -157,7 +157,7 @@ void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
return NULL;
off = HOSTADDR(ptr);
- if (off > WIL6210_MEM_SIZE - 4)
+ if (off > wil->bar_size - 4)
return NULL;
return wil->csr + off;
@@ -177,7 +177,7 @@ void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
return NULL;
off = HOSTADDR(ptr);
- if (off > WIL6210_MEM_SIZE - 4)
+ if (off > wil->bar_size - 4)
return NULL;
return wil->csr + off;
--
1.9.1
