target/linux/mediatek/patches-6.6/434-drivers-spi-mt65xx-Add-controller-s-calibration-para.patch

   1 From d278c7a0bf730318a7ccf8d0a8b434c813e23fd0 Mon Sep 17 00:00:00 2001
   2 From: "SkyLake.Huang" <skylake.huang@mediatek.com>
   3 Date: Thu, 23 Jun 2022 18:39:03 +0800
   4 Subject: [PATCH 4/6] drivers: spi-mt65xx: Add controller's calibration
   5  paramter
   6
   7 Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
   8 ---
   9  drivers/spi/spi-mt65xx.c | 16 ++++++++++++++++
  10  1 file changed, 16 insertions(+)
  11
  12 --- a/drivers/spi/spi-mt65xx.c
  13 +++ b/drivers/spi/spi-mt65xx.c
  14 @@ -832,6 +832,21 @@ static irqreturn_t mtk_spi_interrupt(int
  15         return IRQ_HANDLED;
  16  }
  17
  18 +static int mtk_spi_append_caldata(struct spi_controller *ctlr)
  19 +{
  20 +       struct spi_cal_target *cal_target = kmalloc(sizeof(*cal_target), GFP_KERNEL);
  21 +       struct mtk_spi *mdata = spi_master_get_devdata(ctlr);
  22 +
  23 +       cal_target->cal_item = &mdata->get_tick_dly;
  24 +       cal_target->cal_min = 0;
  25 +       cal_target->cal_max = 7;
  26 +       cal_target->step = 1;
  27 +
  28 +       list_add(&cal_target->list, ctlr->cal_target);
  29 +
  30 +       return 0;
  31 +}
  32 +
  33  static int mtk_spi_mem_adjust_op_size(struct spi_mem *mem,
  34                                       struct spi_mem_op *op)
  35  {
  36 @@ -1122,6 +1137,7 @@ static int mtk_spi_probe(struct platform
  37         master->setup = mtk_spi_setup;
  38         master->set_cs_timing = mtk_spi_set_hw_cs_timing;
  39         master->use_gpio_descriptors = true;
  40 +       master->append_caldata = mtk_spi_append_caldata;
  41
  42         mdata = spi_master_get_devdata(master);
  43         mdata->dev_comp = device_get_match_data(dev);