From 20f655da11cdddfeb0814197f9b3c71d4d297061 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Wed, 24 Feb 2016 09:14:54 -0700
Subject: [PATCH] sandbox: spi: Add more debugging to SPI emulation
Add a little more debugging to help when things go wrong.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Tested-by: Jagan Teki <jteki@openedev.com>
---
drivers/mtd/spi/sandbox.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/spi/sandbox.c b/drivers/mtd/spi/sandbox.c
index 895604d7367..ec07be71a1c 100644
--- a/drivers/mtd/spi/sandbox.c
+++ b/drivers/mtd/spi/sandbox.c
@@ -142,13 +142,15 @@ static int sandbox_sf_probe(struct udevice *dev)
if (bus->seq < CONFIG_SANDBOX_SPI_MAX_BUS)
spec = state->spi[bus->seq][cs].spec;
if (!spec) {
+ debug("%s: No spec found for bus %d, cs %d\n",
+ __func__, bus->seq, cs);
ret = -ENOENT;
goto error;
}
file = strchr(spec, ':');
if (!file) {
- printf("sandbox_sf: unable to parse file\n");
+ printf("%s: unable to parse file\n", __func__);
ret = -EINVAL;
goto error;
}
@@ -174,7 +176,7 @@ static int sandbox_sf_probe(struct udevice *dev)
break;
}
if (!data->name) {
- printf("sandbox_sf: unknown flash '%*s'\n", (int)idname_len,
+ printf("%s: unknown flash '%*s'\n", __func__, (int)idname_len,
spec);
ret = -EINVAL;
goto error;
@@ -186,7 +188,7 @@ static int sandbox_sf_probe(struct udevice *dev)
sbsf->fd = os_open(pdata->filename, 02);
if (sbsf->fd == -1) {
free(sbsf);
- printf("sandbox_sf: unable to open file '%s'\n",
+ printf("%s: unable to open file '%s'\n", __func__,
pdata->filename);
ret = -EIO;
goto error;
@@ -553,6 +555,9 @@ static int sandbox_cmdline_cb_spi_sf(struct sandbox_state *state,
* yet. Perhaps we can figure something out.
*/
state->spi[bus][cs].spec = spec;
+ debug("%s: Setting up spec '%s' for bus %ld, cs %ld\n", __func__,
+ spec, bus, cs);
+
return 0;
}
SANDBOX_CMDLINE_OPT(spi_sf, 1, "connect a SPI flash: <bus>:<cs>:<id>:<file>");
@@ -671,6 +676,8 @@ int dm_scan_other(bool pre_reloc_only)
__func__, busnum, cs);
return ret;
}
+ debug("%s: Setting up spec '%s' for bus %d, cs %d\n",
+ __func__, spec, busnum, cs);
}
}
}
--
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