Hi Sagar,
From: Sagar Shrikant Kadam [mailto:sagar.kadam@sifive.com] Sent: Sunday, June 21, 2020 9:10 PM To: u-boot@lists.denx.de Cc: Rick Jian-Zhi Chen(陳建志); lukma@denx.de; bmeng.cn@gmail.com; jagan@amarulasolutions.com; pragnesh.patel@sifive.com; anup.patel@wdc.com; sjg@chromium.org; seanga2@gmail.com; Sagar Shrikant Kadam Subject: [PATCH v4 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.kadam@sifive.com Reviewed-by: Pragnesh Patel Pragnesh.patel@sifive.com
This v4 series still have some conflicts with master. Please check about it.
Applying: fu540: prci: add request and free clock handlers Applying: riscv: dts: hifive-unleashed-a00: add cpu aliases Applying: riscv: cpu: fixes to display proper CPU features error: patch failed: drivers/cpu/riscv_cpu.c:38 error: drivers/cpu/riscv_cpu.c: patch does not apply Patch failed at 0003 riscv: cpu: fixes to display proper CPU features
Thanks, Rick
drivers/clk/sifive/fu540-prci.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c index fe6e0d4..9a9ff6b 100644 --- a/drivers/clk/sifive/fu540-prci.c +++ b/drivers/clk/sifive/fu540-prci.c @@ -686,6 +686,25 @@ 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_enable(struct clk *clk) { struct __prci_clock *pc; @@ -755,6 +774,8 @@ static struct clk_ops sifive_fu540_prci_ops = { .get_rate = sifive_fu540_prci_get_rate, .enable = sifive_fu540_prci_enable, .disable = sifive_fu540_prci_disable,
.request = sifive_fu540_prci_clk_request,.rfree = sifive_fu540_prci_clk_free,};
static const struct udevice_id sifive_fu540_prci_ids[] = {
2.7.4