fwu: gpt: implement read_mdata and write_mdata callbacks

Moving towards using common code for meta-data management,
implement the read/write mdata hooks.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Sughosh Ganu <sughosh.ganu@linaro.org>

diff --git a/drivers/fwu-mdata/gpt_blk.c b/drivers/fwu-mdata/gpt_blk.c
index 28f5d23e1e0ee0c88cc2b1f9cb54589a1886b73a..1b071c8ed297968a15873ebceb816f0b437dda1a 100644 (file)
--- a/drivers/fwu-mdata/gpt_blk.c
+++ b/drivers/fwu-mdata/gpt_blk.c
@@ -272,7 +272,43 @@ static int fwu_mdata_gpt_blk_probe(struct udevice *dev)
        return 0;
 }
 
+static int fwu_gpt_read_mdata(struct udevice *dev, struct fwu_mdata *mdata,
+                             bool primary)
+{
+       struct fwu_mdata_gpt_blk_priv *priv = dev_get_priv(dev);
+       struct blk_desc *desc = dev_get_uclass_plat(priv->blk_dev);
+       int ret;
+
+       ret = gpt_get_mdata_partitions(desc);
+       if (ret < 0) {
+               log_debug("Error getting the FWU metadata partitions\n");
+               return -ENOENT;
+       }
+
+       return gpt_read_write_mdata(desc, mdata, MDATA_READ,
+                                   primary ? g_mdata_part[0] : g_mdata_part[1]);
+}
+
+static int fwu_gpt_write_mdata(struct udevice *dev, struct fwu_mdata *mdata,
+                              bool primary)
+{
+       struct fwu_mdata_gpt_blk_priv *priv = dev_get_priv(dev);
+       struct blk_desc *desc = dev_get_uclass_plat(priv->blk_dev);
+       int ret;
+
+       ret = gpt_get_mdata_partitions(desc);
+       if (ret < 0) {
+               log_debug("Error getting the FWU metadata partitions\n");
+               return -ENOENT;
+       }
+
+       return gpt_read_write_mdata(desc, mdata, MDATA_WRITE,
+                                   primary ? g_mdata_part[0] : g_mdata_part[1]);
+}
+
 static const struct fwu_mdata_ops fwu_gpt_blk_ops = {
+       .read_mdata = fwu_gpt_read_mdata,
+       .write_mdata = fwu_gpt_write_mdata,
        .get_mdata = fwu_gpt_get_mdata,
        .update_mdata = fwu_gpt_update_mdata,
        .get_mdata_part_num = fwu_gpt_get_mdata_partitions,