sandbox: spi: Drop command-line SPI option
authorSimon Glass <sjg@chromium.org>
Mon, 1 Oct 2018 17:55:09 +0000 (11:55 -0600)
committerSimon Glass <sjg@chromium.org>
Tue, 9 Oct 2018 10:40:26 +0000 (04:40 -0600)
At present we support specifying SPI flash devices to use in the device
tree and on the command line. Drop the second option, since it is a pain
to support nicely with driver model, and unnecessary.

Signed-off-by: Simon Glass <sjg@chromium.org>
drivers/mtd/spi/sandbox.c

index 1b6c0282513171342799d50d0794cf7c70b60c2b..987b05dd9393812b74e833812b9ac32ee72ae1a9 100644 (file)
@@ -101,14 +101,12 @@ struct sandbox_spi_flash_plat_data {
 /**
  * This is a very strange probe function. If it has platform data (which may
  * have come from the device tree) then this function gets the filename and
- * device type from there. Failing that it looks at the command line
- * parameter.
+ * device type from there.
  */
 static int sandbox_sf_probe(struct udevice *dev)
 {
        /* spec = idcode:file */
        struct sandbox_spi_flash *sbsf = dev_get_priv(dev);
-       const char *file;
        size_t len, idname_len;
        const struct spi_flash_info *data;
        struct sandbox_spi_flash_plat_data *pdata = dev_get_platdata(dev);
@@ -134,36 +132,15 @@ static int sandbox_sf_probe(struct udevice *dev)
        debug("found at cs %d\n", cs);
 
        if (!pdata->filename) {
-               struct sandbox_state *state = state_get_current();
-
-               assert(bus->seq != -1);
-               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("%s: unable to parse file\n", __func__);
-                       ret = -EINVAL;
-                       goto error;
-               }
-               idname_len = file - spec;
-               pdata->filename = file + 1;
-               pdata->device_name = spec;
-               ++file;
-       } else {
-               spec = strchr(pdata->device_name, ',');
-               if (spec)
-                       spec++;
-               else
-                       spec = pdata->device_name;
-               idname_len = strlen(spec);
+               printf("Error: No filename available\n");
+               return -EINVAL;
        }
+       spec = strchr(pdata->device_name, ',');
+       if (spec)
+               spec++;
+       else
+               spec = pdata->device_name;
+       idname_len = strlen(spec);
        debug("%s: device='%s'\n", __func__, spec);
 
        for (data = spi_flash_ids; data->name; data++) {
@@ -530,31 +507,6 @@ static const struct dm_spi_emul_ops sandbox_sf_emul_ops = {
 };
 
 #ifdef CONFIG_SPI_FLASH
-static int sandbox_cmdline_cb_spi_sf(struct sandbox_state *state,
-                                    const char *arg)
-{
-       unsigned long bus, cs;
-       const char *spec = sandbox_spi_parse_spec(arg, &bus, &cs);
-
-       if (!spec)
-               return 1;
-
-       /*
-        * It is safe to not make a copy of 'spec' because it comes from the
-        * command line.
-        *
-        * TODO(sjg@chromium.org): It would be nice if we could parse the
-        * spec here, but the problem is that no U-Boot init has been done
-        * 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>");
-
 int sandbox_sf_bind_emul(struct sandbox_state *state, int busnum, int cs,
                         struct udevice *bus, ofnode node, const char *spec)
 {
@@ -597,33 +549,6 @@ void sandbox_sf_unbind_emul(struct sandbox_state *state, int busnum, int cs)
        state->spi[busnum][cs].emul = NULL;
 }
 
-static int sandbox_sf_bind_bus_cs(struct sandbox_state *state, int busnum,
-                                 int cs, const char *spec)
-{
-       struct udevice *bus, *slave;
-       int ret;
-
-       ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, true, &bus);
-       if (ret) {
-               printf("Invalid bus %d for spec '%s' (err=%d)\n", busnum,
-                      spec, ret);
-               return ret;
-       }
-       ret = spi_find_chip_select(bus, cs, &slave);
-       if (!ret) {
-               printf("Chip select %d already exists for spec '%s'\n", cs,
-                      spec);
-               return -EEXIST;
-       }
-
-       ret = device_bind_driver(bus, "spi_flash_std", spec, &slave);
-       if (ret)
-               return ret;
-
-       return sandbox_sf_bind_emul(state, busnum, cs, bus, ofnode_null(),
-                                   spec);
-}
-
 int sandbox_spi_get_emul(struct sandbox_state *state,
                         struct udevice *bus, struct udevice *slave,
                         struct udevice **emulp)
@@ -650,35 +575,6 @@ int sandbox_spi_get_emul(struct sandbox_state *state,
 
        return 0;
 }
-
-int dm_scan_other(bool pre_reloc_only)
-{
-       struct sandbox_state *state = state_get_current();
-       int busnum, cs;
-
-       if (pre_reloc_only)
-               return 0;
-       for (busnum = 0; busnum < CONFIG_SANDBOX_SPI_MAX_BUS; busnum++) {
-               for (cs = 0; cs < CONFIG_SANDBOX_SPI_MAX_CS; cs++) {
-                       const char *spec = state->spi[busnum][cs].spec;
-                       int ret;
-
-                       if (spec) {
-                               ret = sandbox_sf_bind_bus_cs(state, busnum,
-                                                            cs, spec);
-                               if (ret) {
-                                       debug("%s: Bind failed for bus %d, cs %d\n",
-                                             __func__, busnum, cs);
-                                       return ret;
-                               }
-                               debug("%s:  Setting up spec '%s' for bus %d, cs %d\n",
-                                     __func__, spec, busnum, cs);
-                       }
-               }
-       }
-
-       return 0;
-}
 #endif
 
 static const struct udevice_id sandbox_sf_ids[] = {