On 1/24/2020 6:58 AM, Dmitry Osipenko wrote:
External email: Use caution opening links or attachments
20.01.2020 17:23, Sameer Pujar пишет:
[snip]
+static bool tegra_admaif_wr_reg(struct device *dev, unsigned int reg)
+{
+ struct tegra_admaif *admaif = dev_get_drvdata(dev);
+ unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
+ unsigned int num_ch = admaif->soc_data->num_ch;
+ unsigned int rx_base = admaif->soc_data->rx_base;
+ unsigned int tx_base = admaif->soc_data->tx_base;
+ unsigned int global_base = admaif->soc_data->global_base;
+ unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
+ unsigned int rx_max = rx_base + (num_ch * ch_stride);
+ unsigned int tx_max = tx_base + (num_ch * ch_stride);
+
+ if ((reg >= rx_base) && (reg < rx_max)) {
The braces are not needed around the comparisons because they precede
the AND. Same for all other similar occurrences in the code.
While that is true, some prefer to use explicit braces to make it more
readable.
In the past I was told to use explicitly in such cases.