Hi Patrice,

On 2/24/21 1:48 PM, Patrice Chotard wrote:

From: Patrice Chotard patrice.chotard@st.com

Fix following compilation issue when SYS_DCACHE_OFF is enable: drivers/misc/scmi_agent.c:128: undefined reference to `mmu_set_region_dcache_behaviour'

when SYS_DCACHE_OFF is enable, mmu_set_region_dcache_behaviour() must be defined.

Signed-off-by: Patrice Chotard patrice.chotard@st.com Signed-off-by: Patrice Chotard patrice.chotard@foss.st.com

---

arch/arm/lib/cache-cp15.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c index 24050e5bdd..f1703ead96 100644 --- a/arch/arm/lib/cache-cp15.c +++ b/arch/arm/lib/cache-cp15.c @@ -97,12 +97,6 @@ void mmu_set_region_dcache_behaviour_phys(phys_addr_t start, phys_addr_t phys, mmu_page_table_flush(startpt, stoppt); }

-void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,

• 		     enum dcache_option option)
  

-{

• mmu_set_region_dcache_behaviour_phys(start, start, size, option);

-}

• __weak void dram_bank_mmu_setup(int bank) { struct bd_info *bd = gd->bd;

@@ -314,6 +308,12 @@ int dcache_status(void) { return 0; /* always off */ }

+void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,

• 		     enum dcache_option option)
  

+{ +}

• #else void dcache_enable(void) {

@@ -329,4 +329,10 @@ int dcache_status(void) { return (get_cr() & CR_C) != 0; }

+void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,

• 		     enum dcache_option option)
  

+{

• mmu_set_region_dcache_behaviour_phys(start, start, size, option);

+} #endif

Reviewed-by: Patrick Delaunay patrick.delaunay@foss.st.com

Thanks Patrick