[PATCH v6 10/20] pwm: th1520: remove unnecessary `deref`

`Deref` is automatic and should normally not be used directly.
Also, `IoMem` is going to be implementing `Io` directly, so it will no
longer to be implementing `Deref`.

Reported-by: Andreas Hindborg <[email protected]>
Link: https://rust-for-linux.zulipchat.com/#narrow/channel/291565-Help/topic/.E2.9C.94.20Projection.20in.20dma.20bus.20address.20space/near/606672061
Reviewed-by: Alexandre Courbot <[email protected]>
Signed-off-by: Gary Guo <[email protected]>
---
 drivers/pwm/pwm_th1520.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/pwm/pwm_th1520.rs b/drivers/pwm/pwm_th1520.rs
index 3e3fa51ccef9..022338d17218 100644
--- a/drivers/pwm/pwm_th1520.rs
+++ b/drivers/pwm/pwm_th1520.rs
@@ -20,7 +20,6 @@
 //!   this method is not used in this driver.
 //!
 
-use core::ops::Deref;
 use kernel::{
     clk::Clk,
     device::{Bound, Core, Device},
@@ -213,8 +212,7 @@ fn read_waveform(
     ) -> Result<Self::WfHw> {
         let data = chip.drvdata();
         let hwpwm = pwm.hwpwm();
-        let iomem_accessor = data.iomem.access(parent_dev)?;
-        let iomap = iomem_accessor.deref();
+        let iomap = data.iomem.access(parent_dev)?;
 
         let ctrl = iomap.try_read32(th1520_pwm_ctrl(hwpwm))?;
         let period_cycles = iomap.try_read32(th1520_pwm_per(hwpwm))?;
@@ -248,8 +246,7 @@ fn write_waveform(
     ) -> Result {
         let data = chip.drvdata();
         let hwpwm = pwm.hwpwm();
-        let iomem_accessor = data.iomem.access(parent_dev)?;
-        let iomap = iomem_accessor.deref();
+        let iomap = data.iomem.access(parent_dev)?;
         let duty_cycles = iomap.try_read32(th1520_pwm_fp(hwpwm))?;
         let was_enabled = duty_cycles != 0;
 

-- 
2.54.0