fix(st-crypto): remove platdata functions

The functions stm32_pka_get_platdata() and stm32_saes_get_platdata()
are not used. They can be removed as we always use DT to retrieve
the device configuration.
This issue was triggered by sparse tool or when enabling warning
-Wmissing-prototypes.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I5cce9a0765144d694e8ddece37361ccbb85d1734

drivers/st/crypto/stm32_pka.c

@@ -254,13 +254,6 @@ static const struct curve_parameters curve_def[] = {
 
 static struct stm32_pka_platdata pka_pdata;
 
-#pragma weak stm32_pka_get_platdata
-
-int stm32_pka_get_platdata(struct stm32_pka_platdata *pdata)
-{
-	return -ENODEV;
-}
-
 static int stm32_pka_parse_fdt(void)
 {
 	int node;
@@ -583,10 +576,7 @@ int stm32_pka_init(void)
 
 	err = stm32_pka_parse_fdt();
 	if (err != 0) {
-		err = stm32_pka_get_platdata(&pka_pdata);
-		if (err != 0) {
-			return err;
-		}
+		return err;
 	}
 
 	clk_enable(pka_pdata.clock_id);

drivers/st/crypto/stm32_saes.c

@@ -139,15 +139,8 @@
 #define SET_CHAINING_MODE(mod, cr) \
 	mmio_clrsetbits_32((cr), _SAES_CR_CHMOD_MASK, _SAES_CR_CHMOD_##mod << _SAES_CR_CHMOD_SHIFT)
 
-#define pragma weak stm32_saes_get_platdata
-
 static struct stm32_saes_platdata saes_pdata;
 
-int stm32_saes_get_platdata(struct stm32_saes_platdata *pdata)
-{
-	return -ENODEV;
-}
-
 static int stm32_saes_parse_fdt(struct stm32_saes_platdata *pdata)
 {
 	int node;
@@ -389,10 +382,7 @@ int stm32_saes_driver_init(void)
 
 	err = stm32_saes_parse_fdt(&saes_pdata);
 	if (err != 0) {
-		err = stm32_saes_get_platdata(&saes_pdata);
-		if (err != 0) {
-			return err;
-		}
+		return err;
 	}
 
 	clk_enable(saes_pdata.clock_id);