From: Sherry Sun sherry.sun@nxp.com
commit be76ceaf03bc04e74be5e28f608316b73c2b04ad upstream.
v3.x Synopsys EDAC DDR doesn't have the QOS Interrupt register. Use the ECC Clear Register to disable the error interrupts instead.
Fixes: f7824ded4149 ("EDAC/synopsys: Add support for version 3 of the Synopsys EDAC DDR") Signed-off-by: Sherry Sun sherry.sun@nxp.com Signed-off-by: Borislav Petkov bp@suse.de Reviewed-by: Shubhrajyoti Datta Shubhrajyoti.datta@xilinx.com Acked-by: Michal Simek michal.simek@xilinx.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20220427015137.8406-2-sherry.sun@nxp.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/edac/synopsys_edac.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/edac/synopsys_edac.c +++ b/drivers/edac/synopsys_edac.c @@ -865,8 +865,11 @@ static void enable_intr(struct synps_eda static void disable_intr(struct synps_edac_priv *priv) { /* Disable UE/CE Interrupts */ - writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK, - priv->baseaddr + DDR_QOS_IRQ_DB_OFST); + if (priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR) + writel(0x0, priv->baseaddr + ECC_CLR_OFST); + else + writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK, + priv->baseaddr + DDR_QOS_IRQ_DB_OFST); }
static int setup_irq(struct mem_ctl_info *mci,