linux-kernel - [PATCH v6 3/4] clk: zynqmp: Use firmware specific mux clock flags

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210628070122.26217-4-rajan.vaja@xilinx.com>
Date:   Mon, 28 Jun 2021 00:01:21 -0700
From:   Rajan Vaja <rajan.vaja@...inx.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <michal.simek@...inx.com>, <lee.jones@...aro.org>,
        <kristo@...nel.org>, <quanyang.wang@...driver.com>
CC:     <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Rajan Vaja <rajan.vaja@...inx.com>
Subject: [PATCH v6 3/4] clk: zynqmp: Use firmware specific mux clock flags

Use ZynqMP specific mux clock flags instead of using CCF flags.

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
---
 drivers/clk/zynqmp/clk-mux-zynqmp.c | 23 ++++++++++++++++++++++-
 drivers/clk/zynqmp/clk-zynqmp.h     |  8 ++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c
index a49b1c586d5e..4c28b4d8d122 100644
--- a/drivers/clk/zynqmp/clk-mux-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c
@@ -90,6 +90,27 @@ static const struct clk_ops zynqmp_clk_mux_ro_ops = {
 	.get_parent = zynqmp_clk_mux_get_parent,
 };
 
+static inline unsigned long zynqmp_clk_map_mux_ccf_flags(
+				       const u32 zynqmp_type_flag)
+{
+	unsigned long ccf_flag = 0;
+
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_INDEX_ONE)
+		ccf_flag |= CLK_MUX_INDEX_ONE;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_INDEX_BIT)
+		ccf_flag |= CLK_MUX_INDEX_BIT;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_HIWORD_MASK)
+		ccf_flag |= CLK_MUX_HIWORD_MASK;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_READ_ONLY)
+		ccf_flag |= CLK_MUX_READ_ONLY;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_ROUND_CLOSEST)
+		ccf_flag |= CLK_MUX_ROUND_CLOSEST;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_BIG_ENDIAN)
+		ccf_flag |= CLK_MUX_BIG_ENDIAN;
+
+	return ccf_flag;
+}
+
 /**
  * zynqmp_clk_register_mux() - Register a mux table with the clock
  *			       framework
@@ -125,7 +146,7 @@ struct clk_hw *zynqmp_clk_register_mux(const char *name, u32 clk_id,
 
 	init.parent_names = parents;
 	init.num_parents = num_parents;
-	mux->flags = nodes->type_flag;
+	mux->flags = zynqmp_clk_map_mux_ccf_flags(nodes->type_flag);
 	mux->hw.init = &init;
 	mux->clk_id = clk_id;
 
diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h
index 925a727eb383..84fa80a969a9 100644
--- a/drivers/clk/zynqmp/clk-zynqmp.h
+++ b/drivers/clk/zynqmp/clk-zynqmp.h
@@ -33,6 +33,14 @@
 #define ZYNQMP_CLK_DIVIDER_READ_ONLY		BIT(5)
 #define ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO		BIT(6)
 
+/* Type Flags for mux clock */
+#define ZYNQMP_CLK_MUX_INDEX_ONE		BIT(0)
+#define ZYNQMP_CLK_MUX_INDEX_BIT		BIT(1)
+#define ZYNQMP_CLK_MUX_HIWORD_MASK		BIT(2)
+#define ZYNQMP_CLK_MUX_READ_ONLY		BIT(3)
+#define ZYNQMP_CLK_MUX_ROUND_CLOSEST		BIT(4)
+#define ZYNQMP_CLK_MUX_BIG_ENDIAN		BIT(5)
+
 enum topology_type {
 	TYPE_INVALID,
 	TYPE_MUX,
-- 
2.32.0.93.g670b81a