clk: mediatek: mt7623: set unmapped IDs to -1

Add range initializers to the id_offs_map arrays in the mt7623 clk
driver to set unmapped IDs to -1. This prevents accidental usage of
unmapped IDs that would otherwise map to 0.

mtk_common_clk_of_xlate() checks these values for < 0 and returns
-ENOENT in that case.

A range initializer covering the entire array is used since it is less
error-prone than manually looking up the value of each macro in the
existing initializers and checking for gaps. It is placed first so that
the specific initializers override it.

Signed-off-by: David Lechner <dlechner@baylibre.com>

diff --git a/drivers/clk/mediatek/clk-mt7623.c b/drivers/clk/mediatek/clk-mt7623.c
index eca8352d8e648db54bd9d4e8cc13b2132d6f81f7..6ce1d7297368f695ba847a19df693226ba9d7492 100644 (file)
--- a/drivers/clk/mediatek/clk-mt7623.c
+++ b/drivers/clk/mediatek/clk-mt7623.c
@@ -26,6 +26,7 @@
 
 /* apmixedsys */
 static const int pll_id_offs_map[] = {
+       [0 ... CLK_APMIXED_NR - 1]              = -1,
        [CLK_APMIXED_ARMPLL]                    = 0,
        [CLK_APMIXED_MAINPLL]                   = 1,
        [CLK_APMIXED_UNIVPLL]                   = 2,
@@ -92,6 +93,7 @@ static const struct mtk_pll_data apmixed_plls[] = {
 #define CLK_TOP_HDMITX_CLKDIG_CTS              CLK_TOP_NR
 
 static const int top_id_offs_map[CLK_TOP_NR + 1] = {
+       [0 ... CLK_TOP_NR]                      = -1,
        /* Fixed CLK */
        [CLK_TOP_DPI]                           = 0,
        [CLK_TOP_DMPLL]                         = 1,
@@ -808,6 +810,7 @@ static const struct mtk_gate infra_cgs[] = {
 
 /* pericfg */
 static const int peri_id_offs_map[] = {
+       [0 ... CLK_PERI_NR - 1]                 = -1,
        /* MUX CLK */
        [CLK_PERI_UART0_SEL]                    = 1,
        [CLK_PERI_UART1_SEL]                    = 2,