The reserved space needed for storing the parity remains the same no matter the size of the region that is being protected. Add this as a comment for better code understanding.
Signed-off-by: Neha Malcom Francis n-francis@ti.com --- drivers/ram/k3-ddrss/k3-ddrss.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/ram/k3-ddrss/k3-ddrss.c b/drivers/ram/k3-ddrss/k3-ddrss.c index 24932cd837c..ab46098adbf 100644 --- a/drivers/ram/k3-ddrss/k3-ddrss.c +++ b/drivers/ram/k3-ddrss/k3-ddrss.c @@ -715,6 +715,10 @@ static void k3_ddrss_lpddr4_ecc_calc_reserved_mem(struct k3_ddrss_desc *ddrss) { fdtdec_setup_mem_size_base_lowest();
+ /* + * Reserved region remains 1/9th of the total DDR available no matter the + * size of the region under protection + */ ddrss->ecc_reserved_space = ddrss->ddr_ram_size; do_div(ddrss->ecc_reserved_space, 9);