>-----Original Message----- >From: Sagar Kadam <sagar.ka...@sifive.com> >Sent: 26 May 2020 22:39 >To: u-boot@lists.denx.de; r...@andestech.com; lu...@denx.de >Cc: ja...@amarulasolutions.com; bmeng...@gmail.com; Pragnesh Patel ><pragnesh.pa...@sifive.com>; sean...@gmail.com; Sagar Kadam ><sagar.ka...@sifive.com> >Subject: [PATCH v2 1/4] fu540: prci: add request and free clock handlers > >Add clk_request handler to check if a valid clock is requested, Here clk_free >handler is added for debug purpose which will display details of clock passed >to clk_free. > >Signed-off-by: Sagar Shrikant Kadam <sagar.ka...@sifive.com> >--- > drivers/clk/sifive/fu540-prci.c | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) >
Reviewed-by: Pragnesh Patel <pragnesh.pa...@sifive.com> >diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c >index 67e21b6..bf50ea2 100644 >--- a/drivers/clk/sifive/fu540-prci.c >+++ b/drivers/clk/sifive/fu540-prci.c >@@ -581,6 +581,25 @@ static ulong sifive_fu540_prci_set_rate(struct clk *clk, >ulong rate) > return rate; > } > >+static int sifive_fu540_prci_clk_request(struct clk *clk) { >+ debug("%s(clk=%p) (dev=%p, id=%lu)\n", __func__, clk, clk->dev, >+ clk->id); >+ >+ if (clk->id >= ARRAY_SIZE(__prci_init_clocks)) >+ return -EINVAL; >+ >+ return 0; >+} >+ >+static int sifive_fu540_prci_clk_free(struct clk *clk) { >+ debug("%s(clk=%p) (dev=%p, id=%lu)\n", __func__, clk, clk->dev, >+ clk->id); >+ >+ return 0; >+} >+ > static int sifive_fu540_prci_probe(struct udevice *dev) { > int i, err; >@@ -612,6 +631,8 @@ static int sifive_fu540_prci_probe(struct udevice *dev) >static struct clk_ops sifive_fu540_prci_ops = { > .set_rate = sifive_fu540_prci_set_rate, > .get_rate = sifive_fu540_prci_get_rate, >+ .request = sifive_fu540_prci_clk_request, >+ .rfree = sifive_fu540_prci_clk_free, > }; > > static const struct udevice_id sifive_fu540_prci_ids[] = { >-- >2.7.4