From: Ruiqiang Hao <[email protected]>
In commit de8f520a0c92 (driver:mpam: Fix the compilations issues when
ACPI is not selected) introduced compiler warning below, add #ifdef
statement around variable 'prot' and replace ACPI with CONFIG_ACPI to
solve this problem.
drivers/platform/mpam/mpam_devices.c: In function 'mpam_msc_drv_probe':
drivers/platform/mpam/mpam_devices.c:1598:18: warning: unused variable 'prot'
[-Wunused-variable]
1598 | pgprot_t prot;
| ^~~~
Signed-off-by: Ruiqiang Hao <[email protected]>
---
drivers/platform/mpam/mpam_devices.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/mpam/mpam_devices.c
b/drivers/platform/mpam/mpam_devices.c
index b3aab46e06a1..3dfa114abea0 100644
--- a/drivers/platform/mpam/mpam_devices.c
+++ b/drivers/platform/mpam/mpam_devices.c
@@ -1595,7 +1595,9 @@ static void mpam_pcc_rx_callback(struct mbox_client *cl,
void *msg)
static int mpam_msc_drv_probe(struct platform_device *pdev)
{
int err;
+#ifdef CONFIG_ACPI
pgprot_t prot;
+#endif
void * __iomem io;
struct mpam_msc *msc;
struct resource *msc_res;
@@ -1672,7 +1674,7 @@ static int mpam_msc_drv_probe(struct platform_device
*pdev)
err = PTR_ERR(msc->pcc_chan);
break;
}
-#ifdef ACPI
+#ifdef CONFIG_ACPI
prot =
__acpi_get_mem_attribute(msc->pcc_chan->shmem_base_addr);
io = ioremap_prot(msc->pcc_chan->shmem_base_addr,
msc->pcc_chan->shmem_size,
pgprot_val(prot));
--
2.39.2
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