[PATCH] firmware: qcom: scm: fix compilation error when disabled

[Jonathan Marek]

This fixes the case when CONFIG_QCOM_SCM is not enabled, and linux/errno.h
has not been included previously.

Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
---
drm/msm includes qcom_scm.h, but can be used with non-qcom hw (IMX5)

 include/linux/qcom_scm.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h
index 06996ad4f2bc..1637385bcc17 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -67,6 +67,9 @@ extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare);
 extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val);
 extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);
 #else
+
+#include <linux/errno.h>
+
 static inline
 int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
 {
-- 
2.17.1