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[3/3] qspi: t210: Use dev_read calls to get FDT data like base, freq

Message ID 1585262522-6127-4-git-send-email-tomcwarren3959@gmail.com
State Accepted
Delegated to: Tom Warren
Headers show
Series qspi: t210: fix claim_bus and clock/tap delays | expand

Commit Message

Tom Warren March 26, 2020, 10:42 p.m. UTC 
From: Tom Warren <twarren@nvidia.com>

This Tegra QSPI driver hadn't been brought up to date with how
DM drivers are fetching data from the FDT now, and was pulling
in bogus data for base, max freq, etc. Fixed ofdata_to_platdata
to work the same way it does in the tegra114 SPI driver, using
dev_read_ functions.

Signed-off-by: Tom Warren <twarren@nvidia.com>
---
 Changes in v2:
 - New

 drivers/spi/tegra210_qspi.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/tegra210_qspi.c b/drivers/spi/tegra210_qspi.c
index 4284ea9..466d572 100644
--- a/drivers/spi/tegra210_qspi.c
+++ b/drivers/spi/tegra210_qspi.c
@@ -2,7 +2,7 @@ 
 /*
  * NVIDIA Tegra210 QSPI controller driver
  *
- * (C) Copyright 2015-2019 NVIDIA Corporation <www.nvidia.com>
+ * (C) Copyright 2015-2020 NVIDIA Corporation <www.nvidia.com>
  *
  */
 
@@ -97,10 +97,8 @@  struct tegra210_qspi_priv {
 static int tegra210_qspi_ofdata_to_platdata(struct udevice *bus)
 {
 	struct tegra_spi_platdata *plat = bus->platdata;
-	const void *blob = gd->fdt_blob;
-	int node = dev_of_offset(bus);
 
-	plat->base = devfdt_get_addr(bus);
+	plat->base = dev_read_addr(bus);
 	plat->periph_id = clock_decode_periph_id(bus);
 
 	if (plat->periph_id == PERIPH_ID_NONE) {
@@ -110,9 +108,9 @@  static int tegra210_qspi_ofdata_to_platdata(struct udevice *bus)
 	}
 
 	/* Use 500KHz as a suitable default */
-	plat->frequency = fdtdec_get_int(blob, node, "spi-max-frequency",
+	plat->frequency = dev_read_u32_default(bus, "spi-max-frequency",
 					500000);
-	plat->deactivate_delay_us = fdtdec_get_int(blob, node,
+	plat->deactivate_delay_us = dev_read_u32_default(bus,
 					"spi-deactivate-delay", 0);
 	debug("%s: base=%#08lx, periph_id=%d, max-frequency=%d, deactivate_delay=%d\n",
 	      __func__, plat->base, plat->periph_id, plat->frequency,