[RFT net-next v4 2/5] net: stmmac: dwmac-meson8b: simplify generating the clock names

[Martin Blumenstingl]

Instead of using a custom buffer, snprintf() and devm_kstrdup() we can
simplify this by using devm_kasprintf().
No functional changes - this just makes the code shorter.

Signed-off-by: Martin Blumenstingl <martin.blumensti...@googlemail.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
index c6f87e9c4ccb..670f344f7168 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -86,7 +86,6 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac 
*dwmac)
        struct clk_init_data init;
        int i, ret;
        struct device *dev = &dwmac->pdev->dev;
-       char clk_name[32];
        const char *clk_div_parents[1];
        const char *mux_parent_names[MUX_CLK_NUM_PARENTS];
        static const struct clk_div_table clk_25m_div_table[] = {
@@ -113,8 +112,8 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac 
*dwmac)
        }
 
        /* create the m250_mux */
-       snprintf(clk_name, sizeof(clk_name), "%s#m250_sel", dev_name(dev));
-       init.name = clk_name;
+       init.name = devm_kasprintf(dev, GFP_KERNEL, "%s#m250_sel",
+                                  dev_name(dev));
        init.ops = &clk_mux_ops;
        init.flags = 0;
        init.parent_names = mux_parent_names;
@@ -132,8 +131,8 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac 
*dwmac)
                return PTR_ERR(dwmac->m250_mux_clk);
 
        /* create the m250_div */
-       snprintf(clk_name, sizeof(clk_name), "%s#m250_div", dev_name(dev));
-       init.name = devm_kstrdup(dev, clk_name, GFP_KERNEL);
+       init.name = devm_kasprintf(dev, GFP_KERNEL, "%s#m250_div",
+                                  dev_name(dev));
        init.ops = &clk_divider_ops;
        init.flags = CLK_SET_RATE_PARENT;
        clk_div_parents[0] = __clk_get_name(dwmac->m250_mux_clk);
@@ -151,8 +150,8 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac 
*dwmac)
                return PTR_ERR(dwmac->m250_div_clk);
 
        /* create the m25_div */
-       snprintf(clk_name, sizeof(clk_name), "%s#m25_div", dev_name(dev));
-       init.name = devm_kstrdup(dev, clk_name, GFP_KERNEL);
+       init.name = devm_kasprintf(dev, GFP_KERNEL, "%s#m25_div",
+                                  dev_name(dev));
        init.ops = &clk_divider_ops;
        init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
        clk_div_parents[0] = __clk_get_name(dwmac->m250_div_clk);
-- 
2.15.1