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Message-Id: <20200408160518.2798571-1-arnd@arndb.de>
Date:   Wed,  8 Apr 2020 18:05:07 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Lubomir Rintel <lkundrak@...sk>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] clk: mmp2: fix link error without mmp2

The newly added function is only built into the kernel if mmp2
is enabled, causing a link error otherwise.

arm-linux-gnueabi-ld: drivers/clk/mmp/clk.o: in function `mmp_register_pll_clks':
clk.c:(.text+0x6dc): undefined reference to `mmp_clk_register_pll'

Move it to a different file to get it to link.

Fixes: 5d34d0b32d6c ("clk: mmp2: Add support for PLL clock sources")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/clk/mmp/clk-pll.c | 33 ++++++++++++++++++++++++++++++++-
 drivers/clk/mmp/clk.c     | 31 -------------------------------
 drivers/clk/mmp/clk.h     |  7 -------
 3 files changed, 32 insertions(+), 39 deletions(-)

diff --git a/drivers/clk/mmp/clk-pll.c b/drivers/clk/mmp/clk-pll.c
index 7077be293871..962014cfdc44 100644
--- a/drivers/clk/mmp/clk-pll.c
+++ b/drivers/clk/mmp/clk-pll.c
@@ -97,7 +97,7 @@ static const struct clk_ops mmp_clk_pll_ops = {
 	.recalc_rate = mmp_clk_pll_recalc_rate,
 };
 
-struct clk *mmp_clk_register_pll(char *name,
+static struct clk *mmp_clk_register_pll(char *name,
 			unsigned long default_rate,
 			void __iomem *enable_reg, u32 enable,
 			void __iomem *reg, u8 shift,
@@ -137,3 +137,34 @@ struct clk *mmp_clk_register_pll(char *name,
 
 	return clk;
 }
+
+void mmp_register_pll_clks(struct mmp_clk_unit *unit,
+			struct mmp_param_pll_clk *clks,
+			void __iomem *base, int size)
+{
+	struct clk *clk;
+	int i;
+
+	for (i = 0; i < size; i++) {
+		void __iomem *reg = NULL;
+
+		if (clks[i].offset)
+			reg = base + clks[i].offset;
+
+		clk = mmp_clk_register_pll(clks[i].name,
+					clks[i].default_rate,
+					base + clks[i].enable_offset,
+					clks[i].enable,
+					reg, clks[i].shift,
+					clks[i].input_rate,
+					base + clks[i].postdiv_offset,
+					clks[i].postdiv_shift);
+		if (IS_ERR(clk)) {
+			pr_err("%s: failed to register clock %s\n",
+			       __func__, clks[i].name);
+			continue;
+		}
+		if (clks[i].id)
+			unit->clk_table[clks[i].id] = clk;
+	}
+}
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
index 317123641d1e..ca7d37e2c7be 100644
--- a/drivers/clk/mmp/clk.c
+++ b/drivers/clk/mmp/clk.c
@@ -176,37 +176,6 @@ void mmp_register_div_clks(struct mmp_clk_unit *unit,
 	}
 }
 
-void mmp_register_pll_clks(struct mmp_clk_unit *unit,
-			struct mmp_param_pll_clk *clks,
-			void __iomem *base, int size)
-{
-	struct clk *clk;
-	int i;
-
-	for (i = 0; i < size; i++) {
-		void __iomem *reg = NULL;
-
-		if (clks[i].offset)
-			reg = base + clks[i].offset;
-
-		clk = mmp_clk_register_pll(clks[i].name,
-					clks[i].default_rate,
-					base + clks[i].enable_offset,
-					clks[i].enable,
-					reg, clks[i].shift,
-					clks[i].input_rate,
-					base + clks[i].postdiv_offset,
-					clks[i].postdiv_shift);
-		if (IS_ERR(clk)) {
-			pr_err("%s: failed to register clock %s\n",
-			       __func__, clks[i].name);
-			continue;
-		}
-		if (clks[i].id)
-			unit->clk_table[clks[i].id] = clk;
-	}
-}
-
 void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id,
 			struct clk *clk)
 {
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index 971b4d6d992f..20dc1e5dd756 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -238,13 +238,6 @@ void mmp_register_pll_clks(struct mmp_clk_unit *unit,
 			struct mmp_param_pll_clk *clks,
 			void __iomem *base, int size);
 
-extern struct clk *mmp_clk_register_pll(char *name,
-			unsigned long default_rate,
-			void __iomem *enable_reg, u32 enable,
-			void __iomem *reg, u8 shift,
-			unsigned long input_rate,
-			void __iomem *postdiv_reg, u8 postdiv_shift);
-
 #define DEFINE_MIX_REG_INFO(w_d, s_d, w_m, s_m, fc)	\
 {							\
 	.width_div = (w_d),				\
-- 
2.26.0

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