From aa1cf25887099bba68f1f3879c0d394e08b8779f Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Mon, 27 Oct 2014 09:14:30 +0900 Subject: [PATCH] ata: sata_rcar: Disable DIPM mode for r8a7790 ES1 Unlike other SATA R-Car r8a7790 controllers the r8a7790 ES1 SATA R-Car controller needs to be run with DIPM disabled. Signed-off-by: Simon Horman Signed-off-by: Tejun Heo Cc: stable@vger.kernel.org --- Documentation/devicetree/bindings/ata/sata_rcar.txt | 3 ++- drivers/ata/sata_rcar.c | 10 ++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt b/Documentation/devicetree/bindings/ata/sata_rcar.txt index 1e6111333fa8..7dd32d321a34 100644 --- a/Documentation/devicetree/bindings/ata/sata_rcar.txt +++ b/Documentation/devicetree/bindings/ata/sata_rcar.txt @@ -3,7 +3,8 @@ Required properties: - compatible : should contain one of the following: - "renesas,sata-r8a7779" for R-Car H1 - - "renesas,sata-r8a7790" for R-Car H2 + - "renesas,sata-r8a7790-es1" for R-Car H2 ES1 + - "renesas,sata-r8a7790" for R-Car H2 other than ES1 - "renesas,sata-r8a7791" for R-Car M2 - reg : address and length of the SATA registers; - interrupts : must consist of one interrupt specifier. diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 61eb6d77dac7..8732e42db3a9 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -146,6 +146,7 @@ enum sata_rcar_type { RCAR_GEN1_SATA, RCAR_GEN2_SATA, + RCAR_R8A7790_ES1_SATA, }; struct sata_rcar_priv { @@ -763,6 +764,9 @@ static void sata_rcar_setup_port(struct ata_host *host) ap->udma_mask = ATA_UDMA6; ap->flags |= ATA_FLAG_SATA; + if (priv->type == RCAR_R8A7790_ES1_SATA) + ap->flags |= ATA_FLAG_NO_DIPM; + ioaddr->cmd_addr = base + SDATA_REG; ioaddr->ctl_addr = base + SSDEVCON_REG; ioaddr->scr_addr = base + SCRSSTS_REG; @@ -792,6 +796,7 @@ static void sata_rcar_init_controller(struct ata_host *host) sata_rcar_gen1_phy_init(priv); break; case RCAR_GEN2_SATA: + case RCAR_R8A7790_ES1_SATA: sata_rcar_gen2_phy_init(priv); break; default: @@ -837,6 +842,10 @@ static struct of_device_id sata_rcar_match[] = { .compatible = "renesas,sata-r8a7790", .data = (void *)RCAR_GEN2_SATA }, + { + .compatible = "renesas,sata-r8a7790-es1", + .data = (void *)RCAR_R8A7790_ES1_SATA + }, { .compatible = "renesas,sata-r8a7791", .data = (void *)RCAR_GEN2_SATA @@ -849,6 +858,7 @@ static const struct platform_device_id sata_rcar_id_table[] = { { "sata_rcar", RCAR_GEN1_SATA }, /* Deprecated by "sata-r8a7779" */ { "sata-r8a7779", RCAR_GEN1_SATA }, { "sata-r8a7790", RCAR_GEN2_SATA }, + { "sata-r8a7790-es1", RCAR_R8A7790_ES1_SATA }, { "sata-r8a7791", RCAR_GEN2_SATA }, { }, }; -- 2.20.1