spi: altera: Remove the code to get unused platform_data

The definition of struct altera_spi_platform_data does not exist in current
tree. So remove the code to get platform_data which is never used.

Signed-off-by: Axel Lin <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-altera.c

···
 
 static int altera_spi_probe(struct platform_device *pdev)
 {
-	struct altera_spi_platform_data *platp = dev_get_platdata(&pdev->dev);
 	struct altera_spi *hw;
 	struct spi_master *master;
 	struct resource *res;
···
 	master->num_chipselect = 16;
 	master->mode_bits = SPI_CS_HIGH;
 	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 16);
+	master->dev.of_node = pdev->dev.of_node;
 
 	hw = spi_master_get_devdata(master);
 	platform_set_drvdata(pdev, hw);
···
 		if (err)
 			goto exit;
 	}
-	/* find platform data */
-	if (!platp)
-		hw->bitbang.master->dev.of_node = pdev->dev.of_node;
 
 	/* register our spi controller */
 	err = spi_bitbang_start(&hw->bitbang);