[PATCH 2/2] ata: don't use SYS_SCSI_MAX_SCSI_ID for SATA

[Heinrich Schuchardt]

CONFIG_SYS_SCSI_MAX_SCSI_ID is not defined if CONFIG_SCSI=n.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 configs/controlcenterdc_defconfig | 1 +
 configs/highbank_defconfig        | 1 +
 drivers/ata/Kconfig               | 8 ++++++++
 drivers/ata/ahci.c                | 4 ++--
 4 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/configs/controlcenterdc_defconfig b/configs/controlcenterdc_defconfig
index 9c906edf1e..9940258881 100644
--- a/configs/controlcenterdc_defconfig
+++ b/configs/controlcenterdc_defconfig
@@ -72,6 +72,7 @@ CONFIG_ARP_TIMEOUT=200
 CONFIG_NET_RETRY_COUNT=50
 CONFIG_USE_ROOTPATH=y
 CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_SYS_SATA_MAX_PORTS=2
 CONFIG_SCSI_AHCI=y
 CONFIG_DM_PCA953X=y
 CONFIG_DM_I2C=y
diff --git a/configs/highbank_defconfig b/configs/highbank_defconfig
index 49339d9a55..f21a0f3d86 100644
--- a/configs/highbank_defconfig
+++ b/configs/highbank_defconfig
@@ -30,6 +30,7 @@ CONFIG_RESET_TO_RETRY=y
 CONFIG_MISC_INIT_R=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_ENV_IS_IN_NVRAM=y
+CONFIG_SYS_SATA_MAX_PORTS=5
 CONFIG_SCSI_AHCI=y
 CONFIG_SYS_64BIT_LBA=y
 CONFIG_BOOTCOUNT_LIMIT=y
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 2ab502c260..049f7efd10 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -20,6 +20,14 @@ config SATA
 
 	  See also CMD_SATA which provides command-line support.
 
+config SYS_SATA_MAX_PORTS
+	int "Maximum supported SATA ports"
+	depends on SCSI_AHCI && !DM_SCSI
+	default 1
+	help
+	  Sets the maximum number of ports to scan when looking for devices.
+	  Ports from 0 to (this value - 1) are scanned.
+
 config LIBATA
 	bool
 	help
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 272c48b8e5..6998b82aa5 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -211,8 +211,8 @@ static int ahci_host_init(struct ahci_uc_priv *uc_priv)
 	      uc_priv->cap, uc_priv->port_map, uc_priv->n_ports);
 
 #if !defined(CONFIG_DM_SCSI)
-	if (uc_priv->n_ports > CONFIG_SYS_SCSI_MAX_SCSI_ID)
-		uc_priv->n_ports = CONFIG_SYS_SCSI_MAX_SCSI_ID;
+	if (uc_priv->n_ports > CONFIG_SYS_SATA_MAX_PORTS)
+		uc_priv->n_ports = CONFIG_SYS_SATA_MAX_PORTS;
 #endif
 
 	for (i = 0; i < uc_priv->n_ports; i++) {
-- 
2.39.2