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authorQipeng Zha <qipeng.zha@intel.com>2016-02-17 21:03:37 +0300
committerDarren Hart <dvhart@linux.intel.com>2016-03-23 20:05:47 +0300
commit1a2f25d5e73f4f1ae985801a05ed37bbe0ea11f3 (patch)
treebaa5c2cfe1aafba7765cbf03cefd2d8ebffa1d4a
parent4670768779876c0a9071c026ddabe1ab8e6c7805 (diff)
downloadlinux-1a2f25d5e73f4f1ae985801a05ed37bbe0ea11f3.tar.xz
intel_pmc_ipc: Fix GCR register base address and length
GCR register (pmc_cfg register) is at offset 0x1008, and remapping of 0x4 bytes is enough. Signed-off-by: Francois-Nicolas Muller <francois-nicolas.muller@intel.com> Signed-off-by: Qipeng Zha <qipeng.zha@intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
-rw-r--r--drivers/platform/x86/intel_pmc_ipc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c
index 092519e37de6..3b0182c189d6 100644
--- a/drivers/platform/x86/intel_pmc_ipc.c
+++ b/drivers/platform/x86/intel_pmc_ipc.c
@@ -67,7 +67,8 @@
/* exported resources from IFWI */
#define PLAT_RESOURCE_IPC_INDEX 0
#define PLAT_RESOURCE_IPC_SIZE 0x1000
-#define PLAT_RESOURCE_GCR_SIZE 0x1000
+#define PLAT_RESOURCE_GCR_OFFSET 0x1008
+#define PLAT_RESOURCE_GCR_SIZE 0x4
#define PLAT_RESOURCE_BIOS_DATA_INDEX 1
#define PLAT_RESOURCE_BIOS_IFACE_INDEX 2
#define PLAT_RESOURCE_TELEM_SSRAM_INDEX 3
@@ -766,7 +767,7 @@ static int ipc_plat_get_res(struct platform_device *pdev)
}
ipcdev.ipc_base = addr;
- ipcdev.gcr_base = res->start + size;
+ ipcdev.gcr_base = res->start + PLAT_RESOURCE_GCR_OFFSET;
ipcdev.gcr_size = PLAT_RESOURCE_GCR_SIZE;
dev_info(&pdev->dev, "ipc res: %pR\n", res);