[PATCH v2 5/6] clk: stm32f469: Add QSPI clock
Gabriel Fernandez
gabriel.fernandez at st.com
Thu Oct 20 08:44:44 PDT 2016
Hi Stephen
On 10/19/2016 10:32 PM, Stephen Boyd wrote:
> On 10/14, gabriel.fernandez at st.com wrote:
>> @@ -532,10 +618,42 @@ static struct clk_hw *stm32_register_cclk(struct device *dev, const char *name,
>> { 0 },
>> };
>>
>> +struct stm32f4_clk_data {
>> + const struct stm32f4_gate_data *gates_data;
>> + const u64 *gates_map;
>> + int gates_num;
>> +};
>> @@ -549,6 +667,19 @@ static void __init stm32f4_rcc_init(struct device_node *np)
>> goto fail;
>> }
>>
>> + match = of_match_node(stm32f4_of_match, np);
>> + if (WARN_ON(!match))
>> + return;
>> +
>> + data = match->data;
>> +
>> + clks = kmalloc_array(data->gates_num + END_PRIMARY_CLK,
>> + sizeof(struct clk_hw *), GFP_KERNEL);
> sizeof(*clks)?
ok
>
>> + if (!clks)
>> + goto fail;
>> +
>> + stm32f4_gate_map = data->gates_map;
>> +
>> hse_clk = of_clk_get_parent_name(np, 0);
>>
>> clk_register_fixed_rate_with_accuracy(NULL, "hsi", NULL, 0,
>> @@ -581,11 +712,15 @@ static void __init stm32f4_rcc_init(struct device_node *np)
>> clks[FCLK] = clk_hw_register_fixed_factor(NULL, "fclk", "ahb_div",
>> 0, 1, 1);
>>
>> - for (n = 0; n < ARRAY_SIZE(stm32f4_gates); n++) {
>> - const struct stm32f4_gate_data *gd = &stm32f4_gates[n];
>> - unsigned int secondary =
>> - 8 * (gd->offset - STM32F4_RCC_AHB1ENR) + gd->bit_idx;
>> - int idx = stm32f4_rcc_lookup_clk_idx(0, secondary);
>> + for (n = 0; n < data->gates_num; n++) {
>> + const struct stm32f4_gate_data *gd;
>> + unsigned int secondary;
>> + int idx;
>> +
>> + gd = (struct stm32f4_gate_data *) &data->gates_data[n];
> Why do we cast here? Get rid of const? Perhaps the struct
> shouldn't have const on the member instead?
we don't need cast here.
Thank's Stephen
BR
Gabriel
>
>> + secondary = 8 * (gd->offset - STM32F4_RCC_AHB1ENR) +
>> + gd->bit_idx;
>> + idx = stm32f4_rcc_lookup_clk_idx(0, secondary);
>>
>> if (idx < 0)
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